Jim Morrison, head of Ram Truck Brand, Fiat Chrysler Automobiles of North America, talks about the class leading towing during the 2019 Chicago Auto Show Media Preview at McCormick Place in Chicago, the United States, on Feb. 7, 2019. The 111th Chicago Auto Show, the largest in the United States, kicked off Thursday with nearly 50 auto manufacturers showcasing nearly 1,000 vehicles at the McCormick Place this year. (Xinhua/Joel Lerner)