Decomposing garbage is the feedstock for the methane gas that King County, Wash., plans to use to power about 24,000 homes.
A 15-year agreement will provide fixed-price renewable fuel to Shell Energy North America from Clean Energy Fuels Corp.
The Missouri Joint Municipal Electric Utility Commission lowered its energy use and greenhouse gas emissions using a combustion turbine-based combined heat and power system.
The EPA has ordered the Olmsted plant to comply with the Clean Air Act and controls its emissions of mercury, dioxin, and furan.
Chinook Sciences and European Metal Recycling will convert auto shredder residue into renewable energy and recover metals in the process.