“Virtually every automaker is adding capacity in Mexico, including General Motors, Ford, Toyota, Honda, Volkswagen, Audi, BMW, Hyundai and Mazda. The country is a “massive untapped market” that could grow by another 1 million to 2 million vehicles a year, DesRosiers said. By 2020, Mexico is expected to build one in four vehicles in a North American industry of 18.6 million units. The U.S. will hold its own at two-thirds of the output, or 12.2 million vehicles…”