Excrement Energy?

Ever felt like you were shooting fire out of your a**? What if you captured your fire as energy? http://www.inhabitat.com/2009/06/25/toilet-made-from-poo-transforms...

If you have ever had your eyeballs floating (my friend's lingo) while riding in a car, you know how uncomfortable it can be waiting for the next rest stop while crossing the Nevada desert. Well what if you could pull off the road and pee into your gas tank? http://www.wired.com/autopia/2009/07/pee-powered-cars/