Since 2015, Weichai Power has assembled a high-thermal efficiency engine research team comprising hundreds of young Ph.D. holders and thousands of engineers. This team has been collaborating with leading minds domestically and internationally, along with industry-university-research partners, to conduct cutting-edge technical research and continually push the boundaries of innovation. On September 16, 2020, Weichai Power marked a significant milestone by introducing a diesel engine with a record-breaking body thermal efficiency of 50.23%. The company continued its remarkable progress by further increasing the engine's thermal efficiency to 51.09% on January 8, 2022. Most recently, on November 20, 2022, the company surpassed its previous achievements, reaching an impressive 52.28% thermal efficiency, which demonstrates Weichai Power's pivotal role in leading the global internal combustion engine industry's technological advancement.