European drivers and particularly environmentally conscious Germans have a love affair with electric vehicles. However, a shortage of metals needed in the production of batteries for electric vehicles could soon cause problems. Electric cars driving global demand for copper and other metals Electric vehicles need up to five times as much copper as an internal combustion engine. "We're going to need to ramp up production," CEO of SBI, Hans Kummerow, said. "You have one electric motor on every axle and there are a lot more electric wires in electric vehicles than internal combustion vehicles. "Then you need for the ... (full story)