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Old 03-26-2015, 01:29 PM   #8 (permalink)
rmay635703
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Quote:
Originally Posted by RedDevil View Post
And would it be cheap enough?

They may be on to something, but I doubt it would ever be practical for a car. 20% total FC reduction from just exhaust gas heat seems very unlikely to me.
Half of every gallon of gas you burn goes directly out the tailpipe without doing usable work and up to 75% of the gallon that does work may also be wasted in other ways.

I have no doubt that energy recover from exhaust is usefull, but like you wonder will it ever be cheap enough?
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