What does China 3 and China 4 mean?
2 Answers
China 3 and China 4 refer to China's vehicle emission standards, namely National Standard III and National Standard IV. Below are some methods to distinguish between China 3 and China 4 vehicles: 1. Vehicle Registration Certificate: Commonly known as the "Big Green Book," it contains the relevant annotations. 2. Environmental Protection Green Label: Three stars indicate China 3, while four stars indicate China 4. 3. Year Estimation: Since China 3 and China 4 were implemented in specific years, checking the vehicle model's production year can help estimate the standard. Note: The European Union began implementing similar standards in the early 1990s. China's National Standard I was implemented in 2001, so China's emission standards have always been based on the EU standards.
China 3 and China 4 are abbreviations for China's vehicle emission standards. China 3 refers to the China III standard, and China 4 is China IV, both related to controlling vehicle pollution levels. I remember China 3 was implemented around 2007, requiring gasoline vehicles to emit fewer harmful gases; China 4 came a few years later with stricter standards, especially imposing more restrictions on diesel vehicle emissions. As someone who has driven many cars, the impact is significant: some major cities like Beijing restrict China 3 vehicles from entering central areas—my old car was once stopped, forcing me to switch to a newer China 4 vehicle. Upgrading standards helps improve air quality but also lowers the resale value of used cars. Nowadays, new cars generally meet China 5 or China 6 standards, so it's advisable to check emissions before buying to avoid future hassles. Environmental protection is good, but we car owners need to adapt flexibly.
