Renewable energy to hit 9 percent of U.S. total in 2017

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeU.S. renewable-energy generating capacity is not only growing, but it is beginning to erode coal's share of the electricity-generating mix, according to new data from the U.S. Department of Energy (DOE). The agency predicts renewable energy—particularly solar power—to continue growing. At the same time, a combination of renewable...