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Old 03-24-2017, 08:40 AM
Yadkin Yadkin is offline
Join Date: Aug 11 2012
Posts: 1,910
Yadkin is on a distinguished road

Maybe someone can correct me, but these engines are at best, what, 30% efficient? More or less anyway. So 70% of the fuel you purchase ends up as heat instead of turning the drive wheels. At normal highway speeds you're consuming about 4 gallons per hour, so you have, in effect, a gasoline fire consuming about 2.8 gallons an hour, or about 320,000 BTUs.

The typical home furnace puts out about 100,000 BTUs.
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