Darth Obama runs his campaign tour out of Debt Star One, the multi-million dollar luxury bus he had built. *
I bet the thing runs on shredded twenties, and has automatic chain systems under the drive wheels for those days when the boss man is a little heavy handed in tossing people under the bus.
* Actually, he had TWO multi-million dollar luxury buses built for himself. Just in case the ashtray gets full in one, dontchaknow.