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• Liquidpiston
  ...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,
  847 bytes (118 words) - 17:08, 24 May 2010
• Highest miles per gallon
  * 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]]
  1 KB (187 words) - 07:21, 16 July 2008
• Hybrids
  ...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]].
  2 KB (241 words) - 23:52, 19 March 2007
• Volumetric efficiency
  ...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
  2 KB (393 words) - 14:16, 3 November 2006
• Exhaust
  *[[Exhaust gas]], a gas which occurs as a result of combustion of fuel *[[Exhaust velocity]], a measure of engine efficiency
  477 bytes (67 words) - 21:56, 18 June 2010
• Integrated Motor Assist
  ...d energy is used again, contributing to vehicle performance while reducing fuel consumption.
  607 bytes (92 words) - 17:29, 10 July 2006
• Future car technologies
  {{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
  4 KB (617 words) - 01:46, 22 August 2009
• Partial Zero Emissions Vehicle
  ...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.
  4 KB (526 words) - 19:47, 21 June 2010
• Mild hybrid
  ...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
  2 KB (290 words) - 15:09, 4 May 2007
• Diesel engine
  ...]]; 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.
  5 KB (818 words) - 19:13, 14 August 2006
• Dodge Durango Hybrid
  ...buses. The result is said to be a 25 percent improvement in composite fuel efficiency.
  2 KB (328 words) - 07:40, 6 November 2008
• Chevrolet Tahoe Hybrid
  ...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."
  4 KB (592 words) - 10:19, 10 July 2008
• Gas-guzzler
  '''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
  7 KB (1,174 words) - 05:23, 7 July 2010
• Petrol engine
  ...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]].
  4 KB (596 words) - 21:32, 8 October 2010
• Top Reasons to Buy a Hybrid Car
  ...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
  3 KB (488 words) - 12:26, 6 February 2007
• Biobutanol
  ...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
  12 KB (1,802 words) - 20:54, 12 November 2010
• Automobile emissions control
  ...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.
  10 KB (1,564 words) - 03:22, 26 May 2010
• Search And Replace
  * Miles per gallon > Fuel Efficiency * MPG > Fuel Efficiency
  4 KB (546 words) - 16:21, 31 August 2006
• Ford Ikon
  ...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
  8 KB (1,227 words) - 16:01, 26 July 2010
• George Brayton
  ...s method was lost due to the lack of an adequate method of compressing the fuel mixture prior to ignition.
  3 KB (442 words) - 11:43, 26 May 2010
• ACEA agreement
  ...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.
  10 KB (1,420 words) - 09:04, 24 May 2010
• Manifold vacuum
  ...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
  12 KB (1,914 words) - 14:54, 31 March 2010
• Atkinson cycle
  ...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.
  7 KB (1,114 words) - 05:01, 2 March 2010
• Green vehicle
  ==Energy efficiency== *Removing unnecessary items from a vehicle reduces weight and improves fuel economy as well.
  8 KB (1,184 words) - 03:14, 18 December 2010
• Ferrari F430 Spider BioFuel Concept
  |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
  4 KB (613 words) - 04:50, 29 June 2009
• Diesel-Electric Hybrid
  ...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
  18 KB (2,608 words) - 02:08, 19 May 2009
• Turbocharged Direct Injection
  ...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
  14 KB (2,125 words) - 14:46, 9 December 2010
• Torque converter
  ...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]].
  17 KB (2,583 words) - 15:47, 25 August 2009
• 345 HEMI engine
  |Fuel System = Sequential, multi-port, electronic, returnless |Fuel Consumption = '''city/highway (mpg & km/L)'''
  4 KB (524 words) - 06:12, 26 August 2010
• Hybrid Cars
  ...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]]
  7 KB (911 words) - 07:17, 26 July 2008
• VTEC
  ...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
  15 KB (2,416 words) - 21:13, 11 September 2009
• Diesel Particulate Filter
  ...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.
  4 KB (684 words) - 08:31, 22 December 2010
• Mitsubishi 6G engine
  |Fuel System = '''Fuel Injected''' |Fuel Consumption = '''city/highway (mpg & km/L)'''
  7 KB (939 words) - 18:46, 4 November 2009
• Pontiac Sunbird Review
  This section should touch on the current [[fuel efficiency|MPG]] ratings for this [[automobile|vehicle]] and where it stands amongst o
  2 KB (333 words) - 23:28, 16 June 2010
• Chevrolet Cobalt Review
  This section should touch on the current [[fuel efficiency|MPG]] ratings for this [[automobile|vehicle]] and where it stands amongst o
  2 KB (347 words) - 06:05, 17 December 2010
• Block heater
  ...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
  4 KB (730 words) - 16:10, 20 May 2010
• Freewheel
  ...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
  7 KB (1,133 words) - 20:15, 24 August 2009
• Turbocharging
  ...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]].
  5 KB (843 words) - 08:54, 25 August 2008
• Overdrive
  ...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
  11 KB (1,827 words) - 12:25, 28 January 2009
• Landyacht
  ...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
  5 KB (769 words) - 05:39, 25 May 2010
• Honda Civic Hybrid Review
  ...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
  6 KB (877 words) - 14:17, 29 September 2009
• Honda Insight
  .... 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
  13 KB (1,889 words) - 00:35, 7 October 2010
• Octane rating
  ...'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
  18 KB (2,775 words) - 01:08, 8 July 2010
• MIVEC
  ...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
  11 KB (1,613 words) - 06:39, 25 June 2008
• Supercharger Engine
  ...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
  19 KB (2,878 words) - 23:59, 9 June 2006
• Diesel
  ...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
  11 KB (1,779 words) - 06:15, 2 November 2009
• Multi-valve
  ...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
  4 KB (676 words) - 13:03, 3 February 2009
• RKM engine
  ...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
  8 KB (1,193 words) - 01:34, 22 August 2009
• Alternative Fuel Vehicles
  ...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
  12 KB (1,707 words) - 16:25, 25 September 2009
• Hybrid electric vehicle
  ...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>.
  8 KB (1,195 words) - 09:54, 8 February 2010

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