General Motors and Clairvoyant Energy, Veolia Environmental and the Government of Aragon will install the World’s Largest rooftop solar array on General Motors’ Zaragosa assembly plant in Spain. The array will be 12MW that will cover 2 million square feet with its 85,000 panels. The company also operates two of its California warehouses that are installed with solar panels, which provides up to 50% of the electricity usage in these facilities. [TreeHugger]
