Volkswagen previously confirmed that it will build electric cars for the North American market at its Chattanooga, Tennessee, factory. On Wednesday the automaker said it also plans to do some engineering work there, too. An existing Engineering and Planning Center in Chattanooga will soon get a “high-voltage laboratory” for testing battery cells…Volkswagen previously confirmed that it will build electric cars for the North American market at its Chattanooga, Tennessee, factory. On Wednesday the automaker said it also plans to do some engineering work there, too. An existing Engineering and Planning Center in Chattanooga will soon get a “high-voltage laboratory” for testing battery cells…Volkswagen previously confirmed that it will build electric cars for the North American market at its Chattanooga, Tennessee, factory. On Wednesday the automaker said it also plans to do some engineering work there, too. An existing Engineering and Planning Center in Chattanooga will soon get a “high-voltage laboratory” for testing battery cells…Volkswagen previously confirmed that it will build electric cars for the North American market at its Chattanooga, Tennessee, factory. On Wednesday the automaker said it also plans to do some engineering work there, too. An existing Engineering and Planning Center in Chattanooga will soon get a “high-voltage laboratory” for testing battery cells…