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...e [[Diesel cycle]]. The air is then isolated in a constant volume chamber. Fuel is injected, and allowed to combust fully under constant volume conditions,

* The Pac-Car is the world record holder for [[fuel efficiency]], now standing at 5,134 kilometres per litre of petrol. This converts to r *[[Fuel Efficiency]]

...space-- but with elegant and simple design, the Prius delivers on its fuel efficiency promise with 48 mpg. See also [[Toyota Prius Review]]. ...Hybrid]]: The Escape [[Hybrid Cars|hybrid]] sets the standard for SUV fuel efficiency at 32 mpg. See also [[Ford Escape Hybrid Review]].

...of the cylinder and streamlining the ports. Engines with higher volumetric efficiency will generally be able to run at higher RPM, and thus power, settings as th ...echnique, variable valve timing, attempts to address changes in volumetric efficiency with changes in RPM of the engine -- at higher RPM the engine needs the val

*[[Exhaust gas]], a gas which occurs as a result of combustion of fuel *[[Exhaust velocity]], a measure of engine efficiency

...d energy is used again, contributing to vehicle performance while reducing fuel consumption.

{{main|Alternative fuel vehicle}} ...es is the source of power to drive the engine. A variety of [[alternative fuel vehicle]]s have been proposed or sold, including

...s Vehicle''' is a [[vehicle]] that has zero evaporative emissions from its fuel system, has a 15-year (or at least 150,000-mile) warranty and meets [[SULEV ..., which will require the production of [[electric vehicle]]s or hydrogen [[fuel cell]] vehicles.

...ed to spin the engine up to operating rpm speeds before injecting any fuel. ...uck]]. Chevrolet was able to get a 10% improvement on the Silverado's fuel efficiency by shutting down and restarting the engine on demand. Mild hybrids often us

...]]; more specifically, it is a compression ignition engine, in which the [[fuel]] is ignited by being suddenly exposed to the high temperature and pressure ...ool the intake air after compression by the turbocharger further increases efficiency.

...buses. The result is said to be a 25 percent improvement in composite fuel efficiency.

...buses. The result is said to be a 25 percent improvement in composite fuel efficiency. ...s commitment to apply advanced technologies where we will realize the most fuel savings."

'''Gas-guzzler''' commonly refers to a vehicle that consumes [[fuel]] [[fuel efficiency|inefficiently]]. ...in the Energy Tax Act of 1978 to discourage the production and purchase of fuel-inefficient vehicles. The gas guzzler tax had applied only to cars (not tru

...end of the compression stroke, and self-ignites. In a petrol engine, the fuel and air are usually pre-mixed before compression (although some modern petr ...sel. However the lower compression ratios of a petrol engine gives a lower efficiency than a [[diesel engine]].

...A vast majority of scientists believe that there is a link between fossil fuel consumption and global warming.]] ....''' [[Hybrid Cars|Hybrid cars]] generally achieve 15% to 50% higher fuel efficiency. Less gas means less oil. Demand for oil is related to a lot of things incl

...com butanol.com]</ref> It can be produced from biomass as well as [[fossil fuel]]s. Some call this [[biofuel]] biobutanol to reflect its origin, although i ...to decompose matter into basic building blocks and then reformulated into fuel. The process is analogous to hydrocracking and reformulation of hydrocarbo

...think of when they think of vehicle air pollution; the products of burning fuel in the vehicle's [[internal combustion engine|engine]], emitted from the ve ##''Hydrocarbons'': this class is made up of unburned or partially burned fuel, and is a major contributor to urban smog, as well as being toxic.

* Miles per gallon > Fuel Efficiency * MPG > Fuel Efficiency

...ed engine of DuraTorq TDCi type which has a capacity to offer amazing fuel efficiency all through the revealing designs. Interiors of the car are such that they ....3L, 1297cc, Rocam petrol engine with 5-speed manual gearbox and with SEFI fuel injection system that produces 70PS of maximum power at 5500rpm with 105Nm

...s method was lost due to the lack of an adequate method of compressing the fuel mixture prior to ignition.

...evel of 186&nbsp;g/km and is equivalent to a [[Fuel economy in automobiles|fuel economy]] of 5,8&nbsp;L/100&nbsp;km or 5,25&nbsp;L/100&nbsp;km for petrol a ...a.eu"/> which could be earned back in a few years time due to the improved fuel economy implied in the reductions.

...that is exploited in [[carburetor]]s to achieve a fixed mix ratio between fuel and air. ...at use throttles (including [[carburetor|carbureted]] and [[fuel injection|fuel injected]] [[gasoline engine]]s using the [[otto cycle]] or the [[two-strok

...ented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency at the expense of power density and is beginning to see use in modern [[hyb ...the compression stroke, is increasing in popularity due to the increase in fuel economy it provides.

==Energy efficiency== *Removing unnecessary items from a vehicle reduces weight and improves fuel economy as well.

|Image = [[Image:Ferrari F430 Spider Bio Fuel Concept.jpg|300px]] ...focused on improving the energy of the whole car which would in turn lower fuel consumption and emissions levels. The ultimate aim being, of course, to cut

...ean diesel technology to produce dramatic reductions in both emissions and fuel consumption. The diesel engine's high torque, combined with hybrid technolo ...s have been in place for many years. Despite the "legally allowed" dirtier fuel, the US has tough restrictions on exhaust, and it has been difficult for ca

...rger|turbocharging]] and [[fuel injection#Direct injection|cylinder-direct fuel injection]],<ref name=VW-UK-TDI/> developed and produced by [[Volkswagen Gr ...ted.<ref name=VW-UK-TDI/> These, in combination, allow for greater engine efficiency, and therefore greater power outputs<ref name=VWAG/> (from a more complete

...converters include a lock-up clutch to improve cruising power transmission efficiency. The application of the clutch locks the turbine to the pump, causing all ...re the lock-up clutch is applied, a procedure that tends to improve [[fuel efficiency]].

|Fuel System = Sequential, multi-port, electronic, returnless |Fuel Consumption = '''city/highway (mpg & km/L)'''

...is a comprehensive resource for [[Hybrid Cars|hybrid cars]] and other fuel efficiency topics. We provide detailed information on every [[Hybrid Cars|hybrid]] ca ** [[Flexible Fuel Vehicles]]

...C is a valve train system developed by [[Honda]] to improve the volumetric efficiency of a 4-stroke internal combustion engine. This system uses two camshaft pro ...uration settings would result in insufficient filling of the cylinder with fuel and air at high RPM, thus greatly limiting engine power output. Conversely

...ch are supposed to be incapable of being plugged, however their filtration efficiency seldom rises above 60%, and they have a tendency to "blow off" accumulated ...needs to be heated. A properly designed filter will have little effect on fuel usage, and an improperly designed filter can be catastrophic.

|Fuel System = '''Fuel Injected''' |Fuel Consumption = '''city/highway (mpg & km/L)'''

This section should touch on the current [[fuel efficiency|MPG]] ratings for this [[automobile|vehicle]] and where it stands amongst o

This section should touch on the current [[fuel efficiency|MPG]] ratings for this [[automobile|vehicle]] and where it stands amongst o

...he engine; because of this effect, block heaters reduce pollution, as poor fuel vaporization causes much higher emissions. ...is a battery warmer, which keeps just the battery warm. This maintains the efficiency of the battery, which is highly dependent on temperature, and is cheaper th

...n the [[Saab 96]] [[V4 engine|V4]] and early [[Saab 99]] for better [[fuel efficiency]]. A freewheel also produces slightly better [[fuel efficiency]] and less wear on the manual clutch, but leads to more wear on the [[brake

...ifold pressure increases. The additional air makes it possible to add more fuel, increasing the power and torque output of the engine. ...turbocharger is a more efficient use of the heat energy obtained from the fuel than a [[supercharger]].

...que multiplication at the expense of higher engine rpm and thus, decreased fuel economy. ...rpm for a given road speed. This allows the vehicle to achieve better fuel efficiency, and often quieter operation on the highway. When it is switched on, the tr

...r 4 speed automatic transmissions, excessive [[Fuel economy in automobiles|fuel consumption]], and emphasis on ride comfort at the expense of handling. ...by catering to an American auto market that had become more interested in fuel economy and reliability than aesthetics and glamor. By the 1990s, American

...ing accessories, such as air conditioning, also take a larger toll on fuel efficiency than they do in a non-hybrid vehicle. ...r the gas. This results in great electric assist, combined with increased efficiency in the gasoline engine. Because the combined torque peak is at 1500 rpm, i

.... This trade off is due to the 5-speed's lean-burn ability which increases efficiency at the expense of slightly higher NOx emissions. ...ent battery charge is shown on the dashboard, as is the instantaneous fuel efficiency and current state of the electric motor, whether it is assisting the engine

...'octane rating''' is a measure of the resistance of [[petrol]] and other [[fuel]]s to [[autoignition]] in [[spark plug|spark-ignition]] [[internal combusti ...ume, of 2,2,4-trimethylpentane in that mixture is the octane number of the fuel. For example, petrol with the same [[engine knocking|knocking]] characteri

...hance performance, the system has subsequently been developed to improve [[Fuel economy in automobiles|economy]] and emissions, and has been introduced acr ...iming of the intake valve's closing reduces backflow to improve volumetric efficiency, which helps increase engine output as well as reduce lift friction. High-s

...r]] is more important than any other consideration, such as [[Top Fuel|top-fuel dragsters]] and vehicles used in tractor pulling competitions, positive dis ...ease the "effective [[engine displacement|displacement]]" and [[volumetric efficiency]] of an engine, and is often referred to as a '''blower'''. By pushing the

...hich today might be referred to as biodiesel. The term typically refers to fuel that has been processed from petroleum, but increasingly, alternatives such ...oming mandatory on June 1, 2010 (see also [[diesel exhaust]]). U.S. diesel fuel typically also has a lower cetane number (a measure of ignition quality) th

...ves the flow of intake and exhaust gases, potentially improving combustion efficiency, power, and performance. It is not practical to simply use two larger valv ...ted on opposite sides, leaving the center free to add a direct-to-cylinder fuel injector at a later date. Thus there are many considerations to deciding ho

...ired. For instance: Hydraulics, fluid and gas transport systems, presses, fuel injection, irrigation, heating systems,hydraulic lifts, water jet engines, ...while offering overall advantages in pricing, size, reliability and energy efficiency <ref name = "ICSAT2008">Schapiro, B. and Terlitsky, L., "The RKM (RKM) Rota

...e''' or '''dual-fuel vehicle''' which can alternate between two sources of fuel, such as diesel engined cars which can run on [[BioDiesel|biodiesel]] or na ...a vehicle with propane is comparable to that needed for gasoline or diesel fuel. The tanks are filled to no more than 80% capacity to allow for liquid expa

...ot yet commercially available. They will become feasible if extremely high-efficiency generators and motors are available at competitive prices, especially for r ...honda.com/tools/calculators/mileage_calculator.asp?ModelNa,e=Civic+Hybrid# Fuel Saving Calculator]</ref>.

...anical system, though another important need is that of maintaining good [[fuel economy]]. ...rica. They are cheaper, lighter, usually give better performance and fuel efficiency (although the latest sophisticated [[Automatic transmission|automatic trans

...anical system, though another important need is that of maintaining good [[fuel economy]]. ...rica. They are cheaper, lighter, usually give better performance and fuel efficiency (although the latest sophisticated [[Automatic transmission|automatic trans

*generated on-board using a [[fuel cell]]: [[fuel cell vehicle]] ...re mechanically very simple. Electric motors often achieve 90% conversion efficiency over the full range of speeds and power output and can be precisely control

#Fuel cost ...ufacturers]] are creating [[Hybrid Cars|hybrids]], there are more flexible fuel vehicles on American roads in terms of units. Hybrids are being tested in e

...iabatic heat of compression - causing better mixing and evaporation of the fuel droplets. Thus they allow increased power at the moment of ignition and the ...ngine knocking]], also known as detonation and this can reduce an engine's efficiency or even physically damage it.

...engine improves its [[volumetric efficiency]] which allows it to burn more fuel - which in turn makes it produce more power. A [[Supercharged Engine|superc ...as. This is a higly inefficient process and the main factor in the lack of efficiency of roots [[Supercharged Engine|superchargers]] when used at high boost leve

...ed the air to flow off the car more smoothly, and allowed for greater fuel efficiency. From the side view, this raised trunk created a wedge look to the car whic ...he car being placed higher than the side windows to allow for greater fuel efficiency and air flow. On the Tempo, a rear quarter window was present while the [[M

...] and [[Variable Valve Timing|late intake valve closing]] to optimize fuel efficiency. ...cated fuel-saving system also incorporates four fixed gear ratios for high efficiency and power-handling capabilities in a broad variety of vehicle applications.

...er|power]]. VVT allows the cam profile to change, which results in greater efficiency and power. ...roblems start to occur at the lower engine speeds. This will cause unburnt fuel to exit the engine since the valves are still open. This leads to lower eng

...missions have significantly improved in their ability to support high fuel efficiency but [[manual transmission]]s are still generally more efficient. (This bala ...eller and turbine together to eliminate slip at cruising speed) to improve fuel economy.

...ble to start, because it can not generate and maintain enough heat for the fuel to ignite. ...ngine start to keep the engine within emissions regulations, as combustion efficiency is greatly reduced when the engine is very cold.

...ed to conventional [[fuel injection#multi-point fuel injection|multi-point fuel injection]] that happens in the [[inlet manifold|intake tract]], or cylinde ...tratified fuel charge (ultra [[lean burn]]) combustion for improved [[fuel efficiency]], and reduced emission levels at low load.

...erodynamics can affect many areas of a vehicle's performance, such as fuel efficiency, stability, handling, and noise levels. Notchback vehicles exhibit a compl As [[Automotive aerodynamics|aerodynamic]] efficiency becomes an ever-greater focus in automobile design, the distinct angle betw

...vehicles generally use the hydrogen in one of two methods: combustion or [[fuel-cell]] conversion: * In fuel-cell conversion, the hydrogen is turned into electricity through fuel cells which then power electric motors.

...ydrolock]] of the motor. This "flooding" is caused by the excess amount of fuel injected into the engine in its "cold" running circuit. The flooding issue ...accurately explains its specific output numbers, as the volume of its air fuel mixture put through a power stroke per revolution is directly responsible f

...[[hybrid vehicle|hybrid]] driving clubs. As people began comparing [[fuel efficiency|mileage]] they noticed that certain driving techniques could greatly improv ...es, which do not have throttles but are instead regulated by the amount of fuel provided directly to the cylinder.

...' or '''inlet manifold''' is the part of an [[engine]] that supplies the [[fuel]]/air mixture to the [[cylinder]]s. An '''exhaust manifold''' or '''header ...e engine. It may also serve as a mount for the carburetor, throttle body, fuel injectors and other components of the engine.

...ction, for instance. Generally speaking, the chemical formula for alcohol fuel is '''C_nH_2n+1OH'''. :''Main articles: [[Methanol fuel]], [[Ethanol fuel]]''

...attery and gasoline engine operating together, for maximum performance and efficiency at all speeds and loads. When braking or decelerating, the Escape's [[Hybri The 3.0L [[V6|V6]] has been modified to reduce fuel consumption by over 10%, while the 4-cylinder has improved mid-range torque

...average load on the car, rather than the peak load on the car: this saves fuel because smaller engines are more power efficient. Furthermore, during norma ...pped four-door sedan with a conventional power train. Not all of the extra efficiency of the Prius is due to the HSD system: the Atkinson cycle engine itself was

...signed an indirect-acting free-piston compressionless engine whose greater efficiency won the support of Eugen Langen and then most of the market, which at that ...ine in the 1900 ''Exposition Universelle'' (World's Fair) using peanut oil fuel (see [[biodiesel]]).<ref>[http://www.dieselduck.ca/library/01%20articles/ru

...y the engine based on the gas laws. In modern automotive applications, the fuel metering task is only one of several functions performed by an ''engine man ...predominant method to meter fuel prior to the widespread use of electronic fuel injection (EFI). However, a wide variety of injection schemes have existed

...rough sensors, and reading values from multidimensional maps. Before ECUs, fuel injection, ignition timing, and idle speed were directly controlled by mech === Control of fuel injection ===

From July, 1974 both SL and SLC could also be ordered with a fuel-injected 2.8L straight-6 as 280 SL and SLC. ...ines were re-tuned for greater efficiency, lost a few hp and consumed less fuel, helped by substantially numerically shorter axle ratios (that went from 3.

An '''ignition system''' is a system for igniting a fuel-air mixture. It is best known in the field of [[internal combustion engine ...the gap of the [[spark plug]]. This, in turn, ignites the compressed air-fuel mixture within the engine. It is the creation of this spark which consumes

*Not the best fuel efficiency ...i G35|G35]] ranks 18th out of 33 cars in the Near-Luxury category for fuel efficiency. The city/highway ratings for the G35 are as follows:

...onfined space called a combustion chamber. This exothermic reaction of a [[fuel]] with an oxidizer creates gases of high temperature and pressure, which ar ...internal combustion engines did not have compression, but ran on what air/fuel mixture could be sucked or blown in during the first part of the intake str

* Fuel mileage is great compared to other cars of similar power ...is worse than hybrids like the [[Toyota Prius]], which focuss strictly on efficiency as opposed to performance.

...ture provides a denser intake charge to the engine and allows more air and fuel to be combusted per engine cycle, increasing the output of the engine. ...due to proximity with the engine, warming them and reducing their overall efficiency. Some [[World Rally Championship]] cars use a reverse-induction system desi

...missions have significantly improved in their ability to support high fuel efficiency but [[manual transmission]]s are still generally more efficient. (This bala ...eller and turbine together to eliminate slip at cruising speed) to improve fuel economy.

...e intake air above atmospheric pressure, greatly increasing the volumetric efficiency beyond that of [[naturally-aspirated engine]]s. The exhaust gasses either ...more power. The additional fuel is provided by the proper tuning of the [[fuel injector]]s or [[carburetor]].

...so the nationally-defined reciprocal quantities '''fuel economy''' and '''fuel consumption''' are used in this article. The two most common ways to measure automobile fuel usage are:

The [[Corporate Average Fuel Economy]] standard drove a mass changeover of cars in the US to front wheel * Fuel economy: Lower weight means better [[gasoline mileage]]

...ate = 2008-01-08| publisher = [[HowStuffWorks]]}}</ref> is a maker of high-efficiency vehicles, and is located in Carlsbad, California. ...km) when plugged in every 120 miles (190 km) would make it one of the most fuel-efficient cars in the world.

...power]] (373 kW), propelling it to a top speed of approximately 200 [[Fuel efficiency|miles per hour]] (322 km/h). It débuted at the 2005 North American Interna

...larating performance with excellent fuel efficiency of 31 mpg and Flexible-fuel Vehicle (FFV) engine availability ...r’s sleek and elegant design, exhilarating performance with excellent fuel efficiency, a spacious interior that comfortably sits four adults and enough room in t

...omatic, the improved performance comes without a corresponding decrease in fuel mileage. ...ration performance and responsiveness around town as well as enhanced fuel efficiency. Gear changes are barely noticeable in normal driving, especially in the hi

...ty, luxury design, advanced safety and performance technology, and strong fuel economy positions it near the top of its class. It is arguably the most adv ...ot in [http://www.autos.com Autos.com]'s Near-Luxury Car category for fuel efficiency.

...or heated inside the cylinder either by [[ignition system|ignition]] of a fuel air mixture ([[internal combustion engine]]) or by contact with a hot heat ...he high pressure gas above the piston does not leak past it and reduce the efficiency of the engine. This seal is provided by one or more [[piston ring]]s. These

|Fuel System = '''write if it is injected or carburated and the system used''' |Fuel Consumption = '''city/highway (mpg & km/L)'''

...lb-ft. (1150 N-m) of torque between 2500 and 4500 rpm on premium unleaded fuel. It was reportedly designed for Chrysler, but will probably be used by Mer ...performance under extreme operating conditions. Its large capacity, high-efficiency engine-cooling system allows this engine to retain optimum thermal performa

...ybrids have been identified as having significant potential as alternative fuel vehicles.<ref>Simpson, A. (2006) [http://www.nrel.gov/docs/fy07osti/40485.p ...at plans to install aftermarket conversions for Priuses with a target fuel efficiency of 1.0 L/100 km (230 mpg).

...ned. Atkinson cycle technology allows in less fuel and air, which improves efficiency at the cost of 20 [[HP]]. The combination of the Atkinson-cycle gas engine * Fuel economy

...s the common name for liquefied petroleum gas (LPG) when it is used as a [[fuel]] in [[internal combustion engine]]s in [[vehicles]]. The same equipment is ...28.7&nbsp;megajoules per litre (for pure butane) depending upon the actual fuel composition.

* Fuel economy ...the increased performance, the RX 400h consumes roughly the same amount of fuel as a compact four-cylinder [[sedan]] and it qualifies as a Super Ultra Low

...used in its replacement, the Chevrolet Omega, but making use of Electronic Fuel Injection, in GLS and CD trims from 1995 to 1998. Some of the components an ...with the small reverse lights in the rear-bumper. Just above this was the fuel tank cap. The "Opala" badge, was fitted in the rear fenders, and the engine

The '''Corporate Average Fuel Economy''' ('''CAFE''') are regulations in the United States, first enacted ...973 Arab Oil Embargo. Historically, it is the sales-weighted harmonic mean fuel economy, expressed in miles per gallon ([[Miles per gallon|mpg]]), of a man

...and [[Honda Civic Hybrid]], the [[Mazda Mazda3|Mazda3]] ranks 10th in fuel efficiency, as ranked by [http://www.autos.com/autos/rankings_mpg?cat=passenger_cars&s

...toroidals may still require a torque converter (e.g. JATCO) and hence lose efficiency. Roller-based CVTs can with more engine torque than cariable-diameter pulle ...the wheel hub, allowing a more flexible suspension system and eliminating efficiency losses from friction in the drive shaft and [[differential]] components. Th

...t and cost, but as of 2005 many new models are now being introduced with [[fuel injection]]. ...top. This had the advantage of never "flooding" the engine, as any liquid fuel droplets would fall out of the carburetor instead of into the [[intake mani

...ited. In the high pressure environment of the combustor, combustion of the fuel increases the temperature. The products of the combustion are forced into t ...eat engines, higher combustion temperature means greater [[fuel efficiency|efficiency]]. The limiting factor is the ability of the steel, nickel, ceramic, or oth

...Car handling|handling]], in addition to refinements that stress safety and efficiency. The different engine choices are also matched well to their transmissions ...the eight [[cylinder]]s when cruising for as much as a 20 percent gain in fuel economy. The switch from eight cylinders to four is usually undetectable to

...(EGR)). Although excessive engine backpressure is detrimental to overall [[fuel economy]], ensuring a sufficient EGR rate even during transient events (e.g ...ded. Also the mechanism can be deliberately modified to reduce the turbine efficiency in a predefined position. This mode can be selected to sustain a raised exh

...large port openings. Sir Harry Ricardo also demonstrated better mechanical efficiency. An additional advantage of the system is that the size of the ports can be ...design (few constraints other than the spark plug positioning) means that fuel/air mixture swirl at TDC can also be more controlled allowing improved igni

...rives across sparsely populated roads. This usually results in better fuel efficiency.

*Poor fuel economy ....com] ranks the Ridgeline tied for 5th with the [[Dodge Ram 1500]] in fuel efficiency for the Full-Size Truck category.

...he hollow crankshaft and crankcase, which directly affected its volumetric efficiency. However, at the time it was a very efficient solution to the problems of p ...xture to suit using a separate "fine adjustment" lever that controlled the fuel valve.

...[[transverse engine]], sump gearbox, 10-inch wheels, and phenomenal space efficiency, was still being manufactured in 2000 and has been the inspiration for almo

...icle because the engine is smaller and may be run at speeds providing more efficiency. Other techniques may be used to recover or reduce waste energy (such as re ...mixture of different fuels — typically gasoline and [[ethanol]] [[alcohol fuel]].

...an others in their class. Scania places great emphasis on technology, fuel efficiency and low emission.

...arly the namesake hemispherical combustion chambers that provide power and efficiency and select visual cues, including the classic orange-painted cylinder block ...at older engines didn’t have to meet – requirements for emissions and fuel efficiency.

...petition car design, but also an aeronautical understanding of aerodynamic efficiency. The D-type was introduced purely for competition, but after [[Jaguar Cars| ...uspension and final drive were mounted directly onto the monocoque itself. Fuel was carried in deformable ''bags'' inside cells within the monocoque; anoth

...ch slips and reduces the fan speed at low temperatures. This improves fuel efficiency by not wasting power on driving the fan unnecessarily. On modern vehicles, Because the thermal efficiency of internal combustion engines increases with internal temperature the cool

...regulations covering [[vehicle safety]], environmental protection, energy efficiency and theft-resistance. * R83 — emission of pollutants according to engine fuel requirements

...ition engines'' ([[diesel engines]]) that compress the air and then inject fuel into the heated compressed air mixture where it auto-ignites. Compression-i ...n the center electrode and side electrode. No current can flow because the fuel and air in the gap is an insulator, but as the voltage rises further, it be

During the mid to late 1910s, as the fuel efficiency and power delivery of [[internal combustion engine]]s improved dramatically

...attery and gasoline engine operating together, for maximum performance and efficiency at all speeds and loads. When braking or decelerating, the Escape's [[Hybri The Engine will remain the same but has been modified to reduce fuel consumption by 14%.

...Both engines meet strict LEV-II emissions requirements, and while premium fuel is required for the Type-S, it's only a suggestion for the RSX. ...ll stretches. But it's still not as quick to respond as a true manual, and fuel economy suffers a bit as well.

...-air cooler(intercooler) was added, once again increasing power output and efficiency exponentially. These changes were largely the product of a relationship wit ...option package in 1983 and could be had with the final version of the non-fuel injection turbo V-6.

...power]] (373 kW), propelling it to a top speed of approximately 200 [[Fuel efficiency|miles per hour]] (322 km/h). It débuted at the 2005 North American Interna

...n is considered the undisputed leader in respect to peak performance, fuel efficiency, comfort and safety.

...e vehicle Land Rover aims to achieve 120 g/km CO₂ emissions and fuel economy of 60 mpg-imp (4.7 L/100 km; 50 mpg-US) on the European combined cy

...Insight]], these numbers place the tC quite low amongst its peers for fuel efficiency. However the EPA ratings have been found to be excessively low, with most o

...ar engine and transmission, allowing greater [[Fuel economy in automobiles|fuel economy]].<ref name="insideline" /> In front wheel drive cars the mass of t * Improved [[fuel efficiency]] due to less weight.<ref>{{cite web | last = Kenwright | first = Joe | dat

...cketing - which had consumers looking to buy smaller cars with better fuel efficiency. '''Mercury''' responded by adding the European-built 1971 [[Mercury Capri] ...r featured a radical aerodynamic design that reduced drag to increase fuel efficiency. This involved long-term planning of a kind never seen before in the auto i

...]]; more specifically, it is a compression ignition engine, in which the [[fuel]] is ignited by being suddenly exposed to the high temperature and pressure Diesel engines are more durable and more fuel efficient than their gasoline counterparts. Diesel vehicles are extremely p

...chnology]]. The direct injection system slightly boosts the power and fuel efficiency. The new 3rd generation ECU is operating on 32-bit platform rather than the

...cles in the early 1990s, and recently beginning to be offered on some high-efficiency and conventional passenger cars. ...ree or four forward speeds, the lack of an overdrive ratio for relaxed and fuel-efficient highway cruising was often filled by incorporation of a separate

...: the new standard 2.4-liter four-cylinder World Engine, an available flex-fuel 2.7-liter V-6 engine and an available 3.5-liter V-6 engine coupled with a n ...epower (173 horsepower vs. 150 horsepower) and an 8 percent improvement in fuel economy compared with the 2.4-liter engine it replaces.

...er gains. The Renesis is capable of delivering 238 hp (177 kW) with better fuel economy, reliability, and environmental friendliness than previous Mazda ro ...ms. Part of the demise of this feature was the 1973 oil crisis with rising fuel prices, and also concerns about proposed [[US emission standard]]s legislat

...the duration of a race, the GTPs were limited to smaller tires and smaller fuel tanks. ...gasoline direct injection]] developed by VW which maximizes both power and fuel economy at the same time. FSI technology can be found in products available

This earns it a 6th place spot in the Near-Luxury Car category for Fuel Efficiency on [http://www.autos.com/autos/rankings_mpg?cat=luxury_cars&segment=near-lu

...ll used a [[carburetor]], well after most other vehicles had switched to [[fuel injection]]. Only [[Isuzu]] with its base-model pickup truck would hold ou ...agons. The engine developed 140 hp (104 kW) and was noted for being quite fuel-efficient for its day. However, the engine was not without its problems; c

...telematics can potentially be a powerful and valuable tool to improve the efficiency of an organization. Some practical applications of vehicle telematics inclu ...remove or minimize the risks associated with vehicle investment, improving efficiency, productivity and reducing their overall transportation costs, providing 10

...C will increase the compression ratio beyond a safe level for regular pump fuel. Using the small chamber 302C cylinder heads properly requires engine desi ...ed and outdated, and the [[Ford 385 engine|385 family]] could not meet the efficiency requirements of the time. At the same time, the small-block [[Ford Windsor

...can seat seven or more passengers, while also offering unsurpassed highway fuel economy in its class. ...'Platinum ESV''' model will follow in 2007. [[General Motors|GM]]'s Active Fuel Management will come in 2008.

...could operate while the engine had been turned off by the computer to save fuel.<ref>http://www.deylan.co.uk/golf/ecomatic/index.htm</ref>Electro-hydraulic Electric systems have a slight advantage in [[fuel efficiency]] because there is no belt-driven hydraulic pump constantly running, whethe

...been lightly redesigned to improve aerodynamic efficiency, thus improving fuel economy. ...on. A Dualogic robotised gearbox is also specified, programmed for optimum fuel consumption. The gearbox also controls the clutch, and this means that the

...an's middle class car buyer. The affordable price, low running costs, fuel efficiency, ready availability of parts at countrywide 3S and 2S dealership network, l

==Efficiency== ...lculations are ''not'' commonly offered for ICE vehicles (e.g. the loss of efficiency from energy used to produce specialized fuels such as gasoline as compared

For the lowest wind resistance (which increases [[fuel efficiency]]), a teardrop shape is desirable. A tear drop is wide and round at the fro

...ntrol System with intelligence (ETCS-i) that helps improve performance and fuel economy. ...''Motor Trend''' magazine's ''Truck of the Year'' for overall design, fuel efficiency and reliability.

...e mill is now mated to a new seven-speed automatic gearbox to improve fuel efficiency. [http://www.autoblog.com/2010/10/20/2011-infiniti-ex-gets-numerous-updates

...Alliance (GEMA) facility in Dundee, Mich. The World Engine is a family of fuel- and emissions-efficient aluminium four-cylinder petrol engines co-develope ...bal Powertrain Engine Controller – keeps the powerplant running at maximum efficiency and power.

...passengers require less air conditioner energy to cool off which improves efficiency.

...on Previa was well recognisable for its aerodynamic shape which benefitted fuel economy. Unlike some van-based people movers such as a [[Nissan Serena]], t

...06, the first cars powered by [[internal combustion engine]]s running on [[fuel gas]] appeared, which led to the introduction in 1885 of the ubiquitous mod ...engine]] was also invented by a German, [[Rudolf Diesel]]. The hydrogen [[fuel cell]], one of the technologies hailed as a replacement for gasoline as an

...ould lead to lower efficiency and degradation of the motor. This increases fuel consumption and decreases power output and can, in extreme cases, lead to e .... In older 2-stroke engines, oil may be pre-mixed with the [[gasoline]] or fuel, often in a rich gasoline:oil ratio of 25:1, 40:1 or 50:1, and burned in us

...ghway. However, by European measures, the Smart is considered particularly fuel efficient, averaging 50 mpg for the gasoline model and 69 mpg for the Diese On the contrary, the turbo charged models, are often critized for high fuel consumption. Some real-life figures resulted in consumption above 30 mpg. T

...is rated at approximately 180 horsepower (134 kW). To further improve fuel efficiency, the 2012MY LaCrosse with the 2.4-liter engine comes with a next-generation ...4 [[GM LS engine#LS4|5.3&nbsp;L small-block V8]] engine featuring [[Active Fuel Management]] technology<ref>{{cite web | url = http://carsandracingstuff.co

...ne (505 hp, 475 lbf·ft torque) and [[GM LS engine#LS4|LS4]] 5.3 L [[Active Fuel Management|DOD]] V8 (303 hp, 323 lbf·ft torque). Fewer pushrod type engine ...ngines use three, four or even five valves per cylinder to achieve greater efficiency and power. Recently, however, GM has begun offering a pushrod V6 with [[VVT

Jaguar's timing was not good: the car was launched in the wake of the first fuel crisis and the market for a 5.3-litre V12 grand tourer was very small. The The 1981 XJ-S received the new [[Jaguar V12 engine#5.3 HE|High-Efficiency engine]] for much better economy. The XJ-S was also now the fastest automa

...om 1500rpm. It is based on the 3.5L Duratec block, to which it adds direct fuel injection and a set of two Garrett turbochargers. It is mated to an upgrade ...turbocharging its line of V6 engines in order to achieve V8 power with V6 fuel economy.

...with a new and improved, In-house manufactured, 1.5l 12 valve, direct-port fuel-injected engine, called "[[Hyundai Alpha engine|Alpha]]". The 1,495 cc Alph ...esign with central spark plug location was incorporated to optimize engine efficiency. The engine utilizes a Robert Bosch GmbH electronic engine control system a

...f the straight-8 engine for aircraft applications included the aerodynamic efficiency of the long, narrow configuration, and the inherent balance of the engine m ...]] engines. They are generally preferred by coach drivers for their lower fuel consumption and smoother acceleration.

...d to a general lack of "how to use" a 50's car (engine warm up, poor brake efficiency, gearbox handling, safety issues etc) are aspects that should be kept in mi ...o the fifth series, with some minor differences in trim. Most notably, the fuel tank was in the trunk, not behind the seats as it was in the fourth and fif

...charger]] with improved air flow and bigger inter-cooler to aid volumetric efficiency, together with revised settings for the electronic injection/ignition contr ...g vibration to give superb smoothness. The engine can also run on unleaded fuel without modification.

2005 EnerGuide fuel efficiency award for most fuel-efficient vehicle in its class (Chevrolet Malibu Maxx)

...isbn = 076800537X}}</ref> Additionally, radials offered higher mechanical efficiency than inline engines, as they had shorter and stiffer crankshafts, a five-cy ...-to-weight ratio near that of contemporary gasoline engines and a specific fuel consumption of 166g/hp/hour. During WWII the research continued, but no eng

...smaller body, lighter curb weight, enhanced utility and, of course, better fuel economy, goals in which the new F body accomplished. The 3rd generation wo ...1 350s of old... but it was a new era. Raw power was out, luxury and fuel efficiency were in, and short of upgrading to a [[Chevrolet Corvette|Corvette]], a Eur

...economy]] of the rotary engine, an important issue at a time of world-wide fuel shortages. Collins and De Lorean envisioned a chassis produced from a new a ...ref>[http://www.dmcnews.com/faq/c_fuel.htm DeLorean FAQ - Care & Feeding - Fuel Economy and Octane Requirements]</ref>

...and more powerful, the new pilot can still churn out at least 2 mpg better fuel consumption.<ref>[http://carscoop.blogspot.com/2008/04/2009-honda-pilot-off ...ble Cylinder Management (VCM) system that combines Pilot muscle with added efficiency. VCM is designed to boost mileage and economy without sacrificing power whe

...er combination delivers more power while returning an 11% increase in fuel efficiency. The new powertrains equate to better towing performance; the 3500 now has *Chevy's Active Fuel Management cylinder deactivation system was added to V8 motors (5.3L and 6.

...date=19 February 2010|accessdate=20 February 2010}}</ref>The combined fuel efficiency goes from 29.8 miles per gallon to 39.9 mpg on the EU test cycle.

..., power has increased to 470 horsepower and 470 lb-ft of torque while fuel efficiency has improved 15-20 percent. But the 392 is more than just a muscle car and ...nger. Essentially a base model SE kitted with stripes, an R/T-style chrome fuel door, black-accented 18-inch wheels, and a rear decklid spoiler, the SE Ral

...tem (VTEC). It's rated at 258 [[horsepower]] and 233 pound-feet of torque. Fuel economy is an EPA-rated 20/30 mpg City/Highway when fitted with the six-spe ...aller, but no less legible [[tachometer]]. The right-hand pod contains the fuel and water temperature gauges.

...ody of the craft; the requisite decrease in rotor size also decreases fuel efficiency. The X-Hawk is being promoted for rescue and utility functions. It is expe

...l-new paddle-shifted 5-speed transmission and the result are improved fuel efficiency, lower CO2 figures while still allowing the Legend to hurtle from 0-60 in 7

...torque, a torque-sensing [[Quaife]] [[limited-slip differential]], larger fuel injectors, [[BF Goodrich]] KDW2 three-season ultra-high performance tires, ...the dyno with a fairly hot intercooler, which negatively affected overall efficiency.[http://www.sportcompactcarweb.com/features/0301scc_first_place_dodge_srt4/

...rs, named after [[Don Prudhomme]]. The engine is rated 800&nbsp;hp on race fuel or 750&nbsp;hp on 93 octane pump gas. It includes a Kenne Bell supercharger ...to protect the engine if lower octane fuel is used. The 2010 GT500's fuel efficiency increased by 2 miles per gallon.<ref>{{cite web|url=http://www.automoblog.n

...fuel via direct injection. This makes the new 911s more powerful and more fuel efficient (try 24 mpg (US) combined-cycle figure). The smaller mill now pro ...which adds up to a weight saving of 30 grams alone, per engine. Weight and efficiency of every other component in the engine trumps that of its predecessor.

...302 in³ (5.0 L) V8. A 351 in³ (5.8 L) engine was briefly optional. Fuel efficiency was about a third better than the 1979 model. ...ine for '82 was a carbureted version of Ford's 302&nbsp;cid [[V8]], with a fuel-injected version arriving the next year. A 2.4 liter [[BMW M21]] turbodiese

...d on each tank of fuel, making it very easy to accurately track the energy efficiency of the vehicle.

...more than 8,500 horsepower (6,338 [[kilowatts]]). Even if lower levels of efficiency were to be attained, 5,000 horsepower (3,728 kilowatts) and 6,000 lb-ft (8, ...Engine can be used with many types of [[fuel]], including renewable [[bio-fuel]]s. For all these reasons, it is quite environmentally-friendly.

...96|W196]], which featured innovations such as [[desmodromic valve]]s and [[fuel injection]] as well as enclosed streamlined bodywork. Mercedes won the driv ...cars ever. To reduce engine power output and thus speeds, the FIA limited fuel tank capacity in [[1984 Formula One season|1984]] and [[boost (automotive e

...he road in 2007; they burn over 260 billion gallons of gasoline and diesel fuel yearly. The numbers are increasing rapidly, especially in China.<ref>Plunke ...anese cars are often credited with superior reliability and dependability, efficiency, and advanced technology.

...rs. This was because Romney's vision focused solely on the compact car, a fuel-efficient vehicle twenty years before there was a real need for them.<ref>M ..., largely defeating the purpose of a compact. An attempt to provide a more fuel efficient option was to offer a US produced 121&nbsp;in³ (2.0&nbsp;L) 4 cy

...[[height adjustable suspension]] in order to improve aerodynamics and fuel efficiency. And modern formula cars, that have exposed wheels and suspension, typicall

...ber's car was not as disadvantaged as at most other venues, as aerodynamic efficiency is not as important at Monaco. ...nical malfunctions. Webber again was hampered by the aforementioned jammed fuel flap, radically affecting the aerodynamic drag, a vital set-up consideratio