When was the China IV emission standard implemented?
2 Answers
The China IV emission standard was implemented in 2011 and remained in effect until the introduction of the China V standard in 2018. Therefore, vehicles produced between 2011 and 2017 comply with the China IV standard. The China IV standard requires approximately 50% lower emissions of various pollutants compared to the China III standard. With the upcoming China VI standard, vehicles meeting the China III standard are now facing scrapping. Here is more information: 1. Different countries and regions adopt different emission standards based on their actual conditions. For example, the United States has U.S. standards, Europe has Euro standards (Euro IV, Euro V, etc.), and China has national standards (China IV, China V, etc.). 2. There are three main test cycles for passenger vehicle emissions: the EU's NEDC cycle, the U.S.'s FTP75 cycle, and Japan's JC08 cycle.
I've done quite a bit of research, and the implementation of the China IV emission standards actually happened in several phases. As early as 2010, major cities like Beijing and Shanghai took the lead in implementing China IV for light-duty gasoline vehicles. By July 1, 2011, all new light-duty gasoline vehicles nationwide were required to meet this standard. For diesel vehicles, it was two years later, not until July 2013 that the standard was fully implemented. When this policy was first introduced, both automakers and car owners found it quite challenging, as they had to readjust production lines and phase out older vehicles. I remember there was even a scandal about urea fraud in diesel vehicles back then, precisely because the emission standards became stricter. However, looking back now, the China IV standards have indeed been effective in reducing air pollution.
