Wired Magazine did an excellent article on this a couple of months ago: http://www.wired.com/cars/futuretransport/magazine/16-09/ff_agassi

Sounds great, doesn't it? And pleas like "we should all take bikes" fall on my deaf ears, since asthma and other minor disabilities make biking or walking not possible. If we had urban transit systems like the Europeans, (or eve NYC) I'd use them, but when it's a 3 hour commute to get from Mountain View to SFSU, I'm driving, thanks.