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Title: How energy-efficient is a typical internal combustion engine? Post by: motorhead on Feb 23, 2016 How energy-efficient is a typical internal combustion engine?
A) 15-20% B) 5-10% C) 40-60% D) None of these Title: Re: How energy-efficient is a typical internal combustion engine? Post by: mag90si on Feb 26, 2016 Content hidden
Title: Re: How energy-efficient is a typical internal combustion engine? Post by: motorhead on Mar 19, 2016 Respects dude, this is perfect :no_mouth:
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