Researchers have developed a system that, in a laboratory test bench, reproduces the pressure and temperature conditions at high altitude of the air that is sucked into a reciprocating internal ...

Delphi is developing an engine fuel injection technology that could improve the fuel economy of gas-powered cars by 50 percent, potentially rivalling the performance of hybrid vehicles at less cost.

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

Suggested Citation: "III. Presented Papers: Aircraft Fuel System Requirements." National Research Council. 1997. Aviation Fuels with Improved Fire Safety: A Proceedings. Washington, DC: The National ...

The benefits and shortcomings of EFI versus carburetion is a hot and ongoing battle in the hot rod community-and one that we're not going to engage in for this feature. No, for this one we're going to ...

Editor's Note: This is the first of a three-part article. When you think about it, the end result of all flight planning, the far-right column for those of you who have manually constructed a flight ...

Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet stability is not luck, it is the result of sensors, valves, and software working ...

Adding a good fuel additive can help stabilize fuel and keep your motorcycle’s engine performing at its peak. A good fuel additive should be a part of your regular maintenance no matter where you live ...

With volatile fuel prices hitting drivers nationwide, a few simple maintenance tools can help keep your car running at its most efficient.