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• Transmission (mechanics)
  ...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
  13 KB (1,907 words) - 19:06, 27 September 2009
• Transmission
  ...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
  13 KB (1,907 words) - 06:37, 16 January 2009
• Electric vehicle
  *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
  15 KB (2,113 words) - 15:32, 28 July 2009
• Reasons Not to Buy a Hybrid Car (yet)
  #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
  11 KB (1,928 words) - 04:35, 18 February 2010
• Compression ratio
  ...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.
  13 KB (2,105 words) - 02:26, 19 December 2008
• Supercharged Engine
  ...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
  23 KB (3,492 words) - 23:18, 17 December 2008
• Ford Tempo
  ...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
  10 KB (1,663 words) - 03:11, 28 October 2009
• Global Hybrid Cooperation
  ...] 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.
  13 KB (1,938 words) - 15:29, 19 July 2006
• Variable Valve Timing
  ...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
  14 KB (2,194 words) - 08:10, 19 June 2009
• Automatic transmission
  ...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.
  15 KB (2,112 words) - 19:03, 27 September 2009
• Glowplug
  ...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.
  5 KB (881 words) - 15:27, 20 May 2010
• Gasoline direct injection
  ...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.
  26 KB (3,828 words) - 09:08, 21 August 2009
• Notchback
  ...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
  6 KB (929 words) - 10:13, 19 December 2009
• Hydrogen vehicle
  ...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.
  23 KB (3,421 words) - 22:58, 21 August 2009
• Pistonless rotary engine
  ...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
  14 KB (2,166 words) - 17:06, 24 May 2010
• Hypermiler
  ...[[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.
  11 KB (1,824 words) - 03:22, 15 October 2008
• Manifold
  ...' 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.
  22 KB (3,451 words) - 08:47, 29 October 2010
• Alcohol fuel
  ...ction, for instance. Generally speaking, the chemical formula for alcohol fuel is '''C_nH_2n+1OH'''. :''Main articles: [[Methanol fuel]], [[Ethanol fuel]]''
  21 KB (3,045 words) - 06:53, 26 May 2010
• Ford Escape Hybrid
  ...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
  13 KB (1,829 words) - 16:03, 6 July 2010
• Hybrid Synergy Drive
  ...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
  17 KB (2,712 words) - 09:40, 5 September 2008

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