General Motors, America's largest automaker, and Bechtel, the country's largest construction company, are teaming up to build thousands of electric vehicle fast-charging stations across the United States. The two companies have agreed to create a new company that will build the charger network. Adding more fast charging stations should provide a boost to sales of electric cars. One of the biggest concerns Americans have about electric cars is whether there will be enough places to charge them, according to a recent survey by AAA. This network will not only help GM (GM), which plans to introduce 20 new electric vehicle...