Check out this article from Organic Consumer’s Assoc.
Apparently you can make fuel from cow’s pee.
I hope this is not yet another way of exploiting and hurting animals for our use.
Personally I think we should use our own pee for fuel-
I mean you are supposed to drink 3 liters of water a day for optimum health.
I don’t know about you but when I do that and I have to go, I can definitely drive a car with that force ! 🙂