fuel economy

http://driving.timesonline.co.uk/tol/life_and_style/driving/used_car_reviews/article3552994.ece Looks like a valid comparison between the cars. Prius seriously loses! A challenge: to drive a Prius to Geneva using motorways and town driving. The direct route is 460 miles but we drove almost...

http://en.wikipedia.org/wiki/Crower_six_stroke In short, there is an extra power stroke gained by injecting water into the already hot combustion chamber and gaining back some of the energy that is normally lost as heat in a conventional 4-stroke. It also serves to keep the engine cool...

Nine states sue Bush over fuel efficiency

Naw. :D