Tesla is planning to double Gigafactory Shanghai’s production capacity by adding a new building that could supplement the Chinese factory with 450,000 additional vehicle builds every year. A letter from Tesla, which provided details regarding the automaker’s process of reopening the factory following a three-week closure due to a COVID-19 outbreak, detailed the plans. Tesla wants to expand the plant’s manufacturing output by building a new plant on another piece of land near the Gigafactory Shanghai campus, according to Reuters . The new facility would effectively double the production output of the Shanghai plant, which produced 484,100 vehicles in 2021....