Street Lights in India Powered By Poop

Yes, you read it correctly: The street lights in the Indian town of Thiruneermalai are run on digested curry. As National Geographic describes it, the human waste from an area housing complex collects in a sump, where the methane gas produced by the "sludge" is used to operate a generator. This biogas produces 3,000… » 12/11/07 4:20pm 12/11/07 4:20pm