Saturn's moon Titan apparently has LAKES OF OIL.

Not really, but it has hundreds of times more hydrocarbons on the face of the moon than we do left in reserves here on earth. Interesting, seeing as how there probably no decaying plants on Titan ever, abiotic formation, lol.

http://www.space.com/scienceastronomy/080213-titan-oil.html

http://www.esa.int/esaSC/SEMCSUUHJCF_index_0.html