Electric Volkswagen Bug. This company will convert your 1958 to 1966 Volkswagen beetle from gas to electric. If you don't have the car already, they'll even find one for you. For more info check out: http://www.zelectricmotors.com
Zelectric Motors converts mostly Volkswagen beetles from gas to electric. But the San Diego based company can also convert Speedster replicas, Karmann Ghias, Things, and VW microbuses to electric also.