When did China 5 start to be implemented?

[Sophie]

China 5, the fifth stage of the national motor vehicle emission standards, was implemented nationwide from January 1, 2017. The emission control level of the China 5 standard is equivalent to the European Stage 5 emission standard. The following is a specific introduction to the automobile emission standards: 1. China 3 emission standard: The specific implementation time was July 1, 2009, for light-duty diesel vehicles; July 1, 2010, for heavy-duty gasoline vehicles; July 1, 2008, for heavy-duty gas vehicles and heavy-duty diesel vehicles. 2. China 4 emission standard: The nationwide implementation time was July 1, 2013, for light-duty diesel vehicles; July 1, 2013, for heavy-duty gasoline vehicles; January 1, 2011, for heavy-duty gas vehicles; July 1, 2013, for heavy-duty diesel vehicles. 3. China 5 emission standard: The China 5 emission standard was fully implemented nationwide from July 1, 2017, with a 25% reduction in nitrogen oxide emissions compared to the China 4 standard, and the addition of PM emission limits, making it more stringent. 4. China 6 emission standard: The China 6 standard will be divided into two stages, 6A and 6B. The first stage started on July 1, 2020, prohibiting the sale, registration, and licensing of vehicles below the 6A emission standard; the second stage will start on July 1, 2023, prohibiting the sale, registration, and licensing of vehicles below the 6B emission standard.

[Harry]

I remember the China 5 emission standard was officially implemented in 2017, specifically on January 1st of that year, requiring all new vehicles to meet this standard before being sold in the market. As a car enthusiast, I've been closely following this change because it marked a significant advancement in automotive technology, demanding cleaner engines and reducing pollutant emissions, which directly impacted environmental protection. I know many automakers prepared upgrades in advance, such as adding new exhaust treatment systems, which helped improve air quality. The transition to the subsequent China 6 standard in 2019 was quite smooth, with car buyers also paying attention to emission labels. Looking back, the progress was rapid—within just a few years, outdated technologies were phased out, significantly improving urban air quality and giving drivers more peace of mind.

[MacMaya]

From a consumer's perspective, the China 5 emission standard was implemented in 2017. When I was buying a car, the sales consultant told me that vehicles failing to meet the standard couldn't be registered. At that time, I was planning to replace my car and saw this policy as beneficial for reducing exhaust emissions, representing significant progress in environmental protection. After implementation, vehicle emissions on the road decreased noticeably, especially in big cities where air quality improved. I also learned from friends that vehicle inspections became stricter. By the way, this also impacted the used car market, with older vehicles depreciating faster, reminding everyone to check emission standards when choosing a car and avoid buying cheap but problematic vehicles. Overall, from introduction to execution, although there was some initial chaos, the long-term benefits to daily life are evident, driving the automotive industry toward greater sustainability.

[VonClaire]

As an automotive repair professional, I witnessed the changes in the workshop when the China V emission standards were implemented in 2017. New vehicle inspections became stricter, and we received more customer complaints about emission failures. During that period, repair orders increased, replacement parts for older vehicles were harder to find, and emission systems needed upgrades. I noticed the government tightened inspections, encouraging timely maintenance to reduce malfunctions. Simply put, since the implementation, the work pace accelerated, but air quality improved significantly.