From January to April, internal combustion engine sales continued to decline, with diesel engine sales declining slightly and gasoline engine sales dropping significantly. Due to insufficient implementation of the stimulus policy at the beginning of the year, the switch of national standard for the emission of pollutants from motor vehicles from China V and VI Emission Standards, consumers' tendency to wait, and the insufficient release of the production capacity of the new standard vehicles, China's car market continued to decline and gasoline engine sales were greatly affected. Commercial vehicles and construction machinery, which performed well in the first quarter, also saw a slight decline, while the diesel engine market also saw a decline.