FILE PHOTO: Batteries for electric vehicles are manufactured at a factory in Dongguan, China September 20, 2017. Picture taken September 20, 2017. REUTERS/Bobby Yip TO MATCH INSIGHT CHINA-BATTERIES/RECYCLING
FILE PHOTO: Batteries for electric vehicles are manufactured at a factory in Dongguan, China September 20, 2017. Picture taken September 20, 2017. REUTERS/Bobby Yip TO MATCH INSIGHT CHINA-BATTERIES/RECYCLING