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. This…