|For zero emissions, electric vehicles can be powered from 100 percent solar, wind or hydro energy. The Tesla Roadster is an all-electric car with a battery pack that is good for a few hundred miles between charges. This electric sportscar is two times more efficient than a hybrid, lightweight with a chic high-tech interior. Since 2003 Tesla has built 1.000 cars; the Roadster Sport 2010 costs $130,000.