Thanks to the efficient turbocharged, common-rail, direct fuel-injection diesel engine, the concept car is still very fuel-efficient.

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The physics of a spray dryer are like that of a diesel engine's fuel injector in that it atomizes liquid (insulin or gasoline) into droplets.

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The standard approach, being pursued in America and France, works like a diesel engine by compressing the fuel until it ignites.

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The back-up power supply includes six diesel engine generators with ten days of fuel.

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Jeep is getting a replacement for the aging Liberty this year, and Chrysler is trying to build upon the success of the new Jeep Grand Cherokee introduced a couple of years ago with a new version this year that gets a more fuel-efficient, eight-speed transmission and an optional diesel engine.

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The man who invented the diesel engine more than a century ago knew vegetable oil would be a good fuel source.

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For every mile driven, a turbocharged diesel burns 29% less fuel and spits out 20% less CO2 than a standard gasoline engine.

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