In which year did China's National IV motorcycle emission standard come into effect?
1 Answers
For motorcycles, China's National IV emission standard took effect in the production phase starting from July 1, 2018. Carburetor-equipped motorcycles or those failing to meet the National IV standard were prohibited from production. The sales restriction was implemented from July 1, 2019, after which non-compliant motorcycles could no longer be sold. Here are details about the National IV emission standard: Introduction: The National IV emission standard represents China's fourth-phase motor vehicle pollutant emission regulation. Major automotive pollutants include HC (Hydrocarbons), NOx (Nitrogen oxides), CO (Carbon monoxide), and PM (Particulate matter). Through technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, this standard controls and reduces vehicle emissions below specified thresholds.