New energy vehicles are seen on the assembly line 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. (Photos: Xinhua)

A worker installs seats 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.

A worker installs components 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.

New energy vehicles are seen 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.

Workers install the electric motor for a new energy vehicle at Xi'an plant of BYD Auto in Xi'an, capital of 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.

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.

Aerial photo shows the new energy vehicles 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.