What were the vehicle emission standards in 2013?

[VonCourtney]

Below are relevant instructions for checking vehicle emission standards: 1. Where to check: You can check on the registration certificate or inquire at the vehicle management office. 2. Checking via license plate: For vehicles already licensed, simply look at the environmental protection label affixed to the front windshield to check. For unlicensed new vehicles, check the conformity certificate, which specifies the emission standard (e.g., National Standard IV). 3. Checking via environmental protection label: Vehicles that meet or exceed the National Phase I Emission Standard ("National I") are issued a green environmental protection label; those that do not meet the National Phase I Emission Standard ("National I") are issued a yellow environmental protection label. Other emission labels follow the same principle.

[StLena]

I remember the 2013 vehicle emission standards were quite pivotal, primarily because they marked an international transition period. Back then, when I was car shopping, I learned that China implemented the National IV standard, similar to Europe's Euro 4, with clear regulations: for instance, gasoline vehicles' CO emissions must not exceed 1.00 grams per kilometer, NOx no more than 0.08 grams per kilometer, and diesel vehicles had a particulate matter limit of 0.025 grams per kilometer. This significantly benefited the environment, as older vehicles emitted dirtier exhaust. Post-2013, new models generally complied, but older ones had to undergo annual inspections at testing stations for upgrades. I always felt these standards pushed automakers to refine catalytic converter technology, reducing smog issues and even affecting used car resale value. As an owner, I regularly checked my engine's specifications to avoid obsolescence—verifying the VIN emission label in the factory manual was essential—maintaining eco-awareness in daily usage.

[DelEmily]

I think the 2013 emission standards were a major step forward for environmental protection. At that time, the strict implementation of the China IV level standards imposed much tighter limits compared to older vehicles, significantly reducing hydrocarbon and carbon monoxide pollution from exhaust. I often noticed clearer skies with less smog, and I believe it promoted greener commuting habits. For example, I frequently advise friends to buy vehicles that meet the standards, which saves money and reduces carbon emissions. From personal experience, it's important to check the label information during vehicle inspections to avoid failing the annual check and having to make modifications. In the long run, these standards drive technological innovation, making urban air cleaner, and they deserve more public attention.

[EloiseFitz]

In my auto repair career, the 2013 standards were quite common, implementing China IV requirements with stricter pollutant limits such as nitrogen oxide controls. This impacted daily maintenance - for example, customers had to replace sensors with more efficient ones to avoid check engine lights, and inspection stations enforced strict checks. I recall these standards drove market transition toward cleaner development. Simply clarifying the VIN code to confirm emission levels saved a lot of hassle.