Assembly workers install the battery pack for a new energy vehicle at Xi'an plant of BYD Auto in Xi'an, northwest China's Shaanxi Province, June 12, 2019. Sales of new energy vehicles (NEVs) kept growing last month, edging up 1.8 percent year on year, according to the China Passenger Car Association. The government earlier this month announced measures to boost car sales, such as prohibiting local governments from imposing any limit on the consumption and use of NEVs. (Xinhua/Shao Rui)