[JamesLaugesen]

Originally Posted by jamesqf

Or there's this: http://www.carpages.co.uk/news/tigers-22-09-05.asp which is basically a turbocharger driving a generator.

If it is basicly a turbo, then it's capturing energy from the exhaust pressure, heat is still wasted with a turbo.

Maybe still some net gain though... and I think within ecomodder scope like vtec-e says. Maybe a supercharger in reverse to drive an alternator?