In a mass of discarded food, Los Angeles County sanitation planners see far more than a waste-disposal problem—they see a resource. A bucket loader digs into the mass and hoists a load of glop into a grinder. Seconds later, the chewed-up food waste pours into a bin, its first step toward the anaerobic digesters that will blend it with household sewage and use it to brew biogas, manufactured methane suitable for use in running a county wastewater plant. Eventually, officials hope to generate enough of the gas to fuel their waste-hauling trucks, too.

READ MORE at Waste Advantage Magazine