A new Tesla Gigafactory Shanghai investment will improve the current EV production capacity of the manufacturing plant. (Photo : Photo by Xiaolu Chu/Getty Images) SHANGHAI,CHINA – MARCH 29: An aerial view of Tesla Shanghai Gigafactory on March 29, 2021 in Shanghai, China. Tesla Shanghai Gigafactory is reportedly producing vehicles at a rate of about 450,000 cars per year. Tesla Gigafactory Shanghai averages around 450,000 electric cars every year. This is not really a bad number for the giant automaker. However, Elon Musk is not content with this number since he wants to increase this record by 1 million yearly production...