Reading up about those buses, they are still very much in the development phase. Can't see how long they take to recharge unless you are thinking of the trolly bus version. I do love this green debate when you ask how those nasty batteries are going to be disposed of environmentally, the answer gets dodged. Also batteries need replacing as a friend with a hybrid car has found out, more than the cost of his second car originally! He is now out of pocket and back to a diesel.