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Environment & Energy

(1,884 posts)

1. An automobile engine is only about 30% efficient.

Wed Jul 22, 2015, 11:25 AM

Jul 2015

The rest is lost heat. Either by the radiator or the exhaust. Anything to capture this 'waste' heat for reuse has to be good.

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Boosting gas mileage by turning engine heat into electricity [View all] OKIsItJustMe Jul 2015 OP

An automobile engine is only about 30% efficient. -none Jul 2015 #1