With fuel costs topping $4.50 per gallon in some components from the country, a auto that expenses a fraction of a penny per mile to drive (and looks like it belongs on the street) is certain to obtain our focus. The 275-pound, 2,200MPG Celeritas appears to be the closest we have come to getting a solar-powered auto that could one day get for the streets, even so, which explains why the car scored first prize inside the Urban Concept category in this year's Shell Eco-marathon. Whilst it can only transport a single person (the driver),