
Volkswagen XL1 (261 miles per gallon ) : WOWWW...
Much as we love supercars, there's also a lot to be said for automotive marvels on the efficiency side of things, too. Take this funny little Volkswagen XL1, for example – it's an honest-to-goodness production car that will reportedly hit something in the area of 261 miles per gallon. It's certainly not fast nor powerful, and it won't be cheap when it goes...