Visitors take photos of the Buick Velite 5, an extended range electric hybrid, during a global launch event ahead of the Shanghai Auto 2017 show in Shanghai, China, Tuesday, April 18, 2017. At the auto show, the global industry's biggest marketing event of the year, almost every global and Chinese auto brand is showing at least one electric concept vehicle, if not a market-ready model. (AP Photo/Ng Han Guan)