By Reuters Staff 2 Min Read FILE PHOTO: A Tesla logo is seen on the body of its electric vehicle (EV) during a media day for the Auto Shanghai show in Shanghai, China April 20, 2021. REUTERS/Aly Song BEIJING (Reuters) - U.S. electric vehicle (EV) maker Tesla Inc plans to add facilities at its Shanghai factory to repair and reproduce key components such as electric motors and battery cells, a document submitted by Tesla to Shanghai authorities shows. China, the world’s biggest car market, sold over 1.3 million electric and plug-in hybrid vehicles last year. China’s regulators are adding rules on recycling of key EV components to save materials and protect the environment.