The Electric: Its Sales Sliding, BYD Fights Back With a New Battery

Last year, China’s BYD zoomed past Tesla to become the world’s leading seller of electric vehicles. Now both companies are in a serious slump: BYD’s year-on-year sales have dropped for six straight months, and Tesla has suffered two years of annual sales declines. Now other nimble EV players, mostly Chinese, are fighting for the global sales crown.