Zed sez, "Plugging electric cars back into the grid as power _sources_ toward a distributed power supply tapping millions of batteries instead of a (relatively) small number of power plants."
So, you're thinking of buying one of those gas-electric hybrid cars like the Toyota Prius or Honda Insight. They're trendy, conserve fuel, and reduce pollution. But to really go "green," some entrepreneurs and academics say, you should try a Volkswagen Jetta.
Not just any Jetta. A dark blue one that a California electric-car company has modified so that it not only uses electricity but generates it for other purposes. So, once it's parked, you plug it in and sell excess electricity to a utility.
(Thanks, Zed!)