Gushan Environmental Energy Limited is a biodiesel producer in China. It produces biodiesel and by-products of biodiesel production, including glycerine, plant asphalt, erucic acid and erucic amide. Biodiesel is a renewable, clean-burning and biodegradable fuel produced from a variety of feedstocks, such as vegetable oil, animal fat and recycled cooking oil. Biodiesel is used to fuel a range of diesel engines, after blending with diesel, including diesel engines found in trucks, mass transit vehicles, marine vessels and generators. The by-products of its biodiesel production have commercial applications in the food, pharmaceutical and manufacturing industries. The Company sells its products in China to direct users, including marine vessel operators, petroleum wholesalers and individual retail gas stations. It primarily uses vegetable oil offal and used cooking oil to produce biodiesel. As of December 31, 2008, its aggregate annual biodiesel production capacity was 340,000 tons.