Photo taken on Nov. 7, 2021 shows a Mission H24 hydrogen racing car displayed at Michelin booth of the Automobile Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai. Mission H24 hydrogen racing car made its Asian debut at the 4th CIIE. The car is powered by hydrogen energy, thus there is no other emissions except for water vapor. In addition, nearly half of the car's tire material can be recycled. [Photo by Meng Tao/Xinhua]