Volkswagen AG’s (OTC:VWAGY) PowerCo battery subsidiary has decided to operate its Salzgitter plant in Germany at half its planned capacity. This decision comes in the wake of financial pressures and a dip in the demand for electric vehicles. What Happened: The company’s technology chief, Thomas Schmall, announced during a staff meeting that only one of the two planned production lines at the plant will be constructed. The plant, which has space for two lines, will now have a reduced capacity of 20 gigawatt hours, Reuters reported on Friday. Employees voiced their fears about the second line be…