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)