How to Check National IV and National V Standards for Trucks?
2 Answers
Truck owners can check the vehicle's emission standards by referring to the vehicle's driving license, vehicle qualification certificate, or by logging into the National Vehicle Environmental Protection Network. It's worth noting that this website is only for querying newly produced vehicles. The National IV emission standard is a vehicle exhaust emission standard, which refers to the fourth phase of national vehicle pollutant emission standards. More relevant information is as follows: 1. Nitrogen oxide emissions are reduced by 25% compared to the National IV standard: Starting from July 1, 2017, the National V emission standard was fully implemented nationwide, with nitrogen oxide emissions reduced by 25% compared to the National IV standard, and the addition of PM emission limits, making it more stringent. 2. Differences between National IV and National V: Compared to the National IV standard, the National V standard can reduce nitrogen oxide emissions by 25% for light-duty vehicles and 43% for heavy-duty vehicles. It can be seen that the biggest difference between National V and National IV is the stricter emission requirements for heavy-duty vehicles, followed by the improvement in standards for nitrogen oxides (NOX), the sum of hydrocarbons and nitrogen oxides (HC-NOX), and particulate matter concentration (PM). Additionally, National V also includes standards for particulate matter particle number (PN) and non-methane hydrocarbons (NMHC). The National V standard is comparable to the currently implemented fifth-phase emission standard control level in Europe.
A friend of mine works in long-distance transportation, and he taught me several ways to check whether a truck meets China IV or China V emission standards. The first step is to check the vehicle registration certificate or license plate, which has a dedicated environmental protection section clearly stating the emission standard. If the documents are lost, try using apps like 'Emission Standard Query'—just enter the license plate number or VIN to get instant results, which is very convenient. The VIN for trucks is usually located in the engine compartment or on the door frame. When decoding, the 10th digit represents the manufacturing year: trucks made between 2010-2015 are often China IV, while those made after 2016 are mostly China V. I used this app last year when buying a used truck to avoid fines in restricted zones. Remember, policies change frequently, so checking carefully prevents surprises—a few extra minutes can save you from delays on the road.
