what would you prefer? i myself would have to say musclecars... anything naturally aspirated and really loud. i love the rumble of the sixties and...

Injecting small quantities of ethanol into car engines at moments of peak demand -- such as accelerating sharply or climbing a steep hill -- could improve the fuel economy of gasoline engines by 20 percent to 30 percent, according to MIT scientists.

Prius owners love their little cars, survey finds.