Could Cars Be Used As Batteries For Cities?

There's an idea kicking around in the egghead community about a notion called V2G, or vehicle to grid, where parked hybrid or electric cars would be plugged into the city grid and used as a distributed power storage medium. Car owners would collect a fee as the cars would be used as a buffer to store power generated… » 10/30/08 6:00pm 10/30/08 6:00pm