2019 North American Int'l Auto Show held in Detroit, U.S.-TIANSHANNET-天山网

　　Photo taken on Jan. 16, 2019 shows a Volkswagen e-Golf at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Chevy Bolt EV at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Chrysler Pacifica Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Volkswagen e-Golf at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows an electric plug-in on the Hyundai Ioniq Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a touch screen inside the Chrysler Pacifica Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Chrysler Pacifica Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Toyota Corolla Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Nissan Leaf at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Hyundai IONIQ Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)

　　Photo taken on Jan. 16, 2019 shows a Toyota Corolla Hybrid at the 2019 North American International Auto Show (NAIAS) in Detroit, the United States. (Xinhua/Elaine Cromie)