
According to the "Notice of Shanghai Municipal People's Government on Implementing the Fifth Stage National Vehicle Emission Standards in the City" issued by Shanghai Municipal Government, Shanghai implemented the China V standard from April 30, 2014. Compared with the China IV standard, the China V standard can reduce nitrogen oxides (NOx) by 25% for light-duty vehicles and 43% for heavy-duty vehicles. Based on Shanghai's annual vehicle registration statistics, it is estimated that newly added vehicles can reduce annual NOx emissions by about 1,000 tons. With the increase of China V vehicles, the cumulative emission reduction will be considerable. There are two main types of China V standard vehicles: 1. Light-duty gasoline vehicles with a total mass less than 3,500 kg; 2. Heavy-duty diesel vehicles for public transport, sanitation, and postal purposes.

I remember the National V emission standards in Shanghai caused quite a stir, with rumors circulating as early as 2014. The most noticeable change came in spring 2015 when all newly sold passenger cars had to comply with National V. My neighbor almost couldn't register his newly purchased SUV back then because it hadn't been upgraded. By early 2016, the requirements were tightened further - even freight trucks and buses had to meet National V standards. You could see gas station workers changing fuel nozzle labels every day during that period. Essentially, this policy forced manufacturers to upgrade their technology. Looking back now, even my decade-old car is restricted from entering urban areas. Nowadays everyone's moving toward National VI vehicles, making National V seem like a special memory from that transitional period.

Shanghai is advancing the National V emission standards faster than I expected. Back in 2014, it was first trialed in the eco-friendly vehicle catalog, but what really affected car buyers was April 2015. I was helping a friend pick a car at that time, and the salesperson pointed at the fuel tank cap, reminding us to check the fuel standard label. The turning point came in January 2016 when diesel vehicles were strictly regulated—our logistics fleet had to replace a batch of vehicles overnight. The most troublesome part was the transfer policy. Last year, when I transferred a National IV vehicle, I found that a temporary pass was required to enter the outer ring road. This phased implementation strategy has indeed improved air quality, and now there are noticeably fewer hazy days when driving.

There are two key deadlines: light-duty vehicles must meet China V emission standards to be registered from April 30, 2015, while heavy diesel vehicles were mandated from January 1, 2016. I remember it clearly because when buying a used car in 2015, dealers repeatedly emphasized that only China V compliant vehicles could be transferred. Actually, the policy was announced as early as 2014. I recall long queues at vehicle management offices when the policy was first implemented, as people rushed to transfer China IV vehicles before the deadline. Now it's even stricter - China V vehicles aren't even allowed in downtown areas anymore.


