Treasury Secretary Janet Yellen on Wednesday warned that China is treating the global economy as a dumping ground for its cheaper clean energy products, depressing market prices and squeezing green manufacturing in the U.S. “I am concerned about global spillovers from the excess capacity that we are seeing in China,” Yellen said during a speech at a Georgia solar company called Suniva. “China’s overcapacity distorts global prices and production patterns and hurts American firms and workers, as well as firms and workers around the world.” China has a surplus of solar power, electric vehicles and lithium-ion batteries ... (full story)