A staff member checks operating data during test drive of an auto-pilot passenger bus at the National Intelligent Connected Vehicle Pilot Zone in Changsha, central China's Hunan Province, April 28, 2019. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Chen Sihan)

An unmanned bus is pictured at Hainan Boao Lecheng International Medical Tourism Pilot Zone in Boao, south China's Hainan Province, March 27, 2019. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Guo Cheng)

Photo taken on Nov. 30, 2018 shows a charging device and a new energy vehicle at the headquarters of Chinese carmaker BYD in Shenzhen, south China's Guangdong Province. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Mao Siqian)

A visitor takes a test drive of the Lynk & Co 02 compact crossover at the Geely Research Institute in Hangzhou Bay in Ningbo, east China's Zhejiang Province, July 3, 2018. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Shen Bohan)

Aerial photo taken on Nov. 30, 2018 shows the "Yungui" driverless monorail transit system at the headquarters of Chinese carmaker BYD in Shenzhen, south China's Guangdong Province. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Mao Siqian)

A visitor tries a Lixiang One electric vehicle during the 18th Shanghai International Automobile Industry Exhibition in Shanghai, east China, April 17, 2019. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Fang Zhe)

Aerial photo taken on Nov. 30, 2018 shows a "charging tower" for electric vehicles at the headquarters of Chinese carmaker BYD in Shenzhen, south China's Guangdong Province. China has established the world's most comprehensive new energy vehicle (NEV) supporting system, Huang Libin, spokesman with the Ministry of Industry and Information Technology, said at a recent news conference. During the first quarter, China's NEV production and sales amounted to 304,000 and 299,000 vehicles respectively, up 102.7 percent and 109.7 percent. (Xinhua/Mao Siqian)