What is the motorcycle emission standard in 2021?

[NevaehLynn]

2021 motorcycle emission standard is China IV. More than 200 cities in China have implemented motorcycle bans. To actively promote the implementation of the China IV emission standard across the industry, and in accordance with the requirements of the "Regulations on the Supervision and Management of Road Motor Vehicle Product Testing," with the approval of the Equipment Department of the Ministry of Industry and Information Technology, the China Vehicle Technology Service Center has formulated the implementation plan for the China IV emission standard for motorcycle announcement management. China IV Emission Standard: The China IV emission standard is the fourth stage national standard for motor vehicle pollutant emissions. The main pollutants emitted by vehicles include HC (hydrocarbons), NO (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). Through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, the standard controls and reduces vehicle emissions to below specified levels.