In which year were China 4 vehicles produced?

[VanViolet]

China 4 emission standard vehicles were generally produced after 2009. Here is some information about China 4 vehicles: 1. Introduction 1: The China 4 standard requires a reduction of approximately 50% in the emission of various pollutants compared to China 3. With the upcoming China 6 standard, vehicles meeting China 3 emissions are already facing scrapping. 2. Introduction 2: The China 4 emission standard is the fourth stage national standard for motor vehicle pollutant emissions. The main pollutants emitted by vehicles include HC, NOx, CO, and PM. 3. Introduction 3: 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 aims to control and reduce vehicle emissions to below specified levels.