In the afternoon of November 20, 2022, Weichai released the world's first commercial diesel engine with body thermal efficiency of 52.28% and natural gas engine of 54.16%. Li Xiaohong, secretary of the Party Leadership Group and president of the Chinese Academy of Engineering, Zhong Zhihua, member of the Party Leadership Group and vice president of the Chinese Academy of Engineering, Deng Xiuxin, vice president of the Chinese Academy of Engineering, Ling Wen, vice governor of Shandong Province and academician of the CAE Member, and others attended the new product launch event. At the launch event, Li Xiaohong and Ling Wen made congratulatory speeches respectively.

On the basis of the diesel engine thermal efficiency breaking 50.23% in 2020 and 51.09% in January this year, Weichai has once again set a new global record of 52.28%, reaching the top of the world industry for three consecutive times. At the same time, the thermal efficiency of natural gas engine body broke 54.16% for the first time in the world, which is a revolutionary subversion of the internal combustion engine industry. The thermal efficiency of natural gas engine surpassed that of diesel engine for the first time, becoming the most efficient thermal machinery.

The international authoritative testing organization T ｜ V South Deutsche Group issued a certificate to Weichai. Stephen Hartone, CEO of Bosch Group, Chris Mason, CEO of the International Federation of Automotive Engineers, Walter Downing, COO of Southwest Research Institute, Helmut Liszt, CEO of AVL, Austria, Jing Wei, President of the Association of Chinese Engine Engineers in North America, China Mechanical Engineering Society, China Internal Combustion Engine Society, China Internal Combustion Engine Industry Association and other domestic and foreign research institutes, industry institutions and strategic partners have sent congratulatory letters Congratulations video.

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