[Ecky]

Originally Posted by Hersbird

I think what you get with gasoline vapors is what was a 200hp (or whatever) motor making 20hp instead. It does mean it will be running wide open so limiting throttle body losses, and it can run really lean (which probably puts it way outside of allowable emissions). So a regular fuel injected (and especially a direct injected) car could also easily make 120 mpg IF you were willing to live with 20hp and tailpipe emissions be dammed.

This stands to reason.