When the locomotive is traveling at a constant speed or idling, the battery rather than the diesel engine can power the motor.

当火车头在相对恒定速度下前进或者空转时，这时电池就为马达提供能量，柴油发动机不工作。

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Diesel derived from coffee is less thick and can usually be burned in an engine with little or no tinkering.

从咖啡柴油机有较少的厚度，通常可以在几乎没有更改的引擎中燃烧。

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But, what really makes it a strong SUV for the zombie apocalypse is the fact that Jeep has confirmed that the Grand Cherokee will get a diesel engine for 2013.

然而，让它晋身为对付僵尸灾难的强力越野车的原因是，吉普已经确定大切诺基在2013年将可以用柴油发动。

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Currently, the research effort has pioneered a hybrid engine that is cleaner than a diesel engine and almost twice as efficient as a typical gasoline-powered engine.

FORBES: The Other "Hybrid Engine"

Testing on a 125hp diesel engine is scheduled to begin soon.

FORBES: Son of Wankel

"When you look to the German car manufacturers now, they are fighting against each other with the biggest statement, with more horse power, and these days a diesel engine car is as powerful as a petrol car, " Saab Europe's Claude Makowski told BBC News Online.

BBC: The Jaguar XJ