Tesla Inc’s (NASDAQ:TSLA) expansion plans for its gigafactory in Germany have reportedly received approval from environmental authorities. What Happened: The environmental authorities in the German state of Brandenburg, where Tesla’s gigafactory is located, have given the green light to the company’s expansion plans, Reuters reported. The approval allows Tesla to create an asphalted logistics area for new vehicles, stairwells on its pressing plant, and an access guard, the report said. The approval is key to the EV giant’s aim of doubling the plant’s capacity for battery production to 100 giga…