
China VI was fully implemented nationwide on July 1, 2020. Here is some relevant information: 1. Some provinces and cities had already started implementing the China VI emission standard in 2019, such as Beijing, Tianjin, Hebei, Shandong, Henan, Shenzhen, Guangzhou, and nine other provinces and cities, which announced that they would implement the China VI standard ahead of schedule on January 1, 2019. 2. Vehicle emission standards refer to the limits set for the content of harmful gases in vehicle exhaust, such as carbon monoxide, NOx, particulate matter, and soot. As vehicle exhaust emissions increasingly contribute to environmental pollution, the government has begun to formulate relevant policies and standards to limit vehicle emissions. Since the implementation of the China I standard in 2000, five sets of standards have been successively updated and introduced. The currently implemented standard is the China V standard.

I remember really noticing China 6 vehicles when I changed cars in 2019. The salesperson said the new standard had just been implemented, especially in major cities like Beijing, Shanghai, and Guangzhou where China 6a was rolled out first. I chose it mainly for environmental and cost-saving reasons, with lower long-term fuel and expenses. Looking back now, 2019 was the starting point when manufacturers ramped up production, and by 2020 China 6b was fully implemented, even updating the used car market. When buying a car, ask about the model year and don't just go for cheaper older models - China 6 is much better for air quality.

As someone environmentally conscious, I'm particularly attentive to the rollout timeline of China VI vehicles—the China VIa standard was implemented in key cities in 2019, followed by the nationwide China VIb in 2020. These standards significantly reduce emissions, slashing particulate matter and noticeably alleviating smog issues. I often remind friends to upgrade to China VI-compliant cars sooner for cleaner air—nowadays, the vehicles on the road are visibly cleaner. Anyone who cares about the environment knows that 2019 marked a watershed for new car purchases; delaying means missing out on these benefits.

From a tech enthusiast's perspective, China VI vehicles emerged in 2019, when engines and exhaust systems underwent major upgrades. China VIa reduced NOx emissions. In 2020, China VIb was fully implemented, requiring more refined engine filtration and achieving over 90% exhaust emission reduction. I enjoy studying these details—they enhance new car performance while improving fuel efficiency and durability.

In the sector, we have been promoting China 6 emission standard vehicles since 2019, with China 6a models launching first, and China 6b becoming mainstream by 2020. I advise customers not to dwell on older models—China 6 vehicles offer higher resale value, lower emissions, and even qualify for subsidies. Early adopters have given positive feedback. The full model refresh in 2020 marked a golden period for car purchases.

In line with the evolution of national policies, China 6 (National VI) emission standards were introduced in July 2019, with China 6a implemented first in tier-one cities, followed by the nationwide mandatory enforcement of China 6b in July 2020. This aims to address air pollution, giving automakers a one-year preparation period, while consumers had the option to purchase compliant new vehicles after 2019. From a macro perspective, it drives the industry's green transformation, making it cost-effective for car buyers to target this transition period.


