Portland’s Grease Wars: Battling for Biodiesel-Bound Cooking Oil

Used-cooking-oil, the golden-brown waste product left over from making French-fries, doesn’t strike most of us as a particularly valuable commodity.

But recycled grease represents a source of cheap energy to some, one that can be converted to biodiesel or used directly as a substitute for diesel fuel. Having collected waste oil for both of these ends, I can tell you I’ve always had a nagging suspicion that one day the ‘free’ ride would come to a screeching halt. It just wasn’t clear how soon it would end.

Some parts of the country are now facing fierce competition over this generally unknown but ubiquitous local resource. The Associated Press has dubbed it the “Grease Wars”: