I'd prefer a fuel cell vehicle; just a personal preference.
Besides, my previous comment was just some sarcasm and not a condemnation.
Hydrogen? Kind-of expensive at the moment, isn't it?
Oh, I knew you were just playing.
Busses powered by compressed air have been operating in urban areas for quite some time! In the Buckhead area of Atlanta, for instance...
The primary use of compressed air vehicles in urban areas has been to reduce air pollution....