The San Francisco Public Utility Commission is licensing technology from a Philadelphia firm that takes the nasty sewer grease and grease from restaurant grease traps and turns it into diesel fuel. http://www.empoweredmunicipality.com/philly-co-partners-with-san-francisco-puc-to-produce-biofuel

Well, this company and technology is just amazing. It is still in the pilot phase, but this is going to take off. http://www.empoweredmunicipality.com/converting-plastic-waste-into-fuel This is in Maryland and at a municipal site currently. Check it out.