Core77

Who knew you could make brake pads from nuts or tires from vegetables? This green racer, called Eco One, is 95% biodegradable and runs on biofuel. With the exception of the steering wheel, seat (can anyone say soy foam seats?), and chassis, the car is entirely made out of biomass--hemp and rapeseed oil for the body, ground cashew shells for the brake pads, and potatoes for the tires. The biofuel, btw, is a mixture of sugar beets and fermented wheat.

Via TreeHugger