USA: Electric car competition heats up with that other green city

The mayors of San Francisco and Portland have a lot in common. They’re both striving to make their respective cities the greenest on earth, they both Tweet to their constituents and they both have snazzy Web sites, among other things.
“If we were able to put a man on the moon, we most certainly can create a new generation of cars that do not run on fossil fuels,” Newsom wrote in his blog entry