San Francisco Turns Potty Power Green

Just when I start to teter on the brink of despair with respect to the state of renewable energy (note self: stop listening to the naysayers), a company's ingenuity surfaces once again and makes me sigh a bit of relief. In this article, San Fran is going to capture all of the grease that is poured down the sewer drains and convert it to biofuels. Nice.