First n00b post! Whee!
Has anybody thought about using the coolant heat to power a sterling engine, then hook that up to a generator? They've got a car based on this already, and it was on Hackaday (How I actually found this site!)
Dean Kamen’s Stirling engine car - Hack a Day
I know this wouldn't do much good for non-hybrid cars really, but for those that have a hybrid system, I ask you. Why not?
And sorry if this is a repeat post or something. I read through this thread, didn't see anything, and decided to give my two cents.