Anyone interested in Big Business Corporate Control and the idea of electric cars should have a watch of a great doco called "Who Killed the Electric Car?" about the GM car that it also killed off - you can watch it on line here
http://video.google.com/videoplay?docid=-6437080948273722203 pretty interesting viewing. Having said that, the issue I mentioned above (how the electricity is made, which is for a large part burning coal anyway) has to be considered.