BYD, the Chinese company that recently overtook Tesla as the world’s largest electric vehicle (EV) builder , has begun expanding one of its production bases in Shenzhen as it strives to tap Chinese motorists’ growing penchant for battery-powered cars. The second phase of construction at its industrial estate in Shen-Shan Special Cooperation Zone will cost 20 billion yuan (US$2.9 billion) and aims to generate annual sales of 100 billion yuan when it becomes operational in July, 2023. The local authority was quick to grant approval, and construction is already under way, just a few short weeks after the carmaker bought...