FoxNews.com Automotive Editor Gary Gastelu on General Motors launching electric vehicles and their competition. The auto industry’s quickening shift to electric cars is spurring investment in another emerging industry in the U.S.: manufacturing lithium-ion batteries for those vehicles. China currently dominates the market for producing electric-vehicle batteries. But as auto makers spend billions to build more plug-in models in the U.S., investors are increasing their bets on firms looking to expand the supply chain for batteries and related materials in North America—a region that has lo...