What are the differences between China 4 and China 5 vehicles?
1 Answers
Here are the specific differences between China 4 and China 5: 1. Sulfur content: The sulfur content limit for China 4 standard gasoline is 10mg; for China 5 standard gasoline, it is 50mg. 2. Emission limits: China 5 has stricter control on nitrogen oxides than China 4. Compared to China 4 emission standards, China 5 emission standards reduce nitrogen oxide (NOx) emissions by 28%, the total index of hydrocarbons and nitrogen oxides (HC+NOx) by 23%, and particulate matter (PM) concentration for diesel vehicles by 82%.