What's the "price of anarchy" on the road? Traffic jams and wasted time that result from giving drivers too many options.

Ten cars, three days and two rules: no petroleum, and you've gotta scavenge your fuel along the way. Gentlemen, start your engines.

If you really wanted to go green with your hybrid, you'd be plugging into the power grid. Furthering your fossil fuel independence is possible by converting your Prius to a plug-in. Whether you have the cash to pay someone to do it or are doing it yourself, there are several conversion packages available and we have a list.