This is the Eco One, a one-seater sports car that is green in more ways that you would imagine. Not only does it run on wheat and sugar beets at 150 mph, going from 0 to 62 mph in less than four seconds, but the bill of materials looks like a salad: potatoes, cashew nut shells, rape seed oil and hemp. Check the complete recipe in the big side photo after the jump. The $41,000 car sports car, built