What are the new regulations for motor vehicle exhaust emission testing in 2021?

[Sandy]

Here is an introduction to the new regulations for motor vehicle exhaust emission testing in 2021: 1. Exemption scope: Previously, private vehicles with 7 seats or fewer were exempt from inspection within 6 years. After the reform, the exemption has been extended to vehicles with 9 seats or fewer. Many 7-seat SUVs and MPV models have benefited from this reform. For vehicles aged 6-10 years, the inspection cycle was once a year but has now been changed to once every two years. 2. Addition of tire tread depth inspection: Tires are crucial for vehicle safety. Severely worn tires can significantly impact driving safety. 3. Wheelbase inspection: Ordinary car owners can generally ignore this, as it mainly targets modified vehicles and trucks. 4. Vehicle lift inspection: The vehicle is lifted to inspect the chassis for oil leaks, water leaks, or any dents and deformations. Many ordinary car owners might not inspect their chassis even once a year, so this inspection undoubtedly provides a strong safeguard for vehicle safety.

[JosiahLee]

As a car owner, the changes in the 2021 exhaust emission testing regulations are quite significant, and I felt it during last year's inspection. The new regulations emphasize OBD testing as a mandatory item, where vehicle computer data is read to check emissions. If the fault light is on or emissions exceed the standard, the vehicle fails. The China VI standard has also been strengthened, with stricter nitrogen oxide testing aimed at reducing pollution and protecting the environment. This has a considerable impact on our daily car use—older vehicles need more frequent maintenance, such as cleaning carbon deposits or replacing parts, to avoid the hassle and cost of failing the inspection. My neighbor's car failed due to spark plug issues and cost hundreds to repair. It's advisable to check the vehicle system in advance, especially for diesel car owners who should pay more attention to the impact of the new rules. Overall, although it's a bit troublesome, it benefits air quality.

[AlessandraFitz]

From an environmental perspective, the 2021 new exhaust emission regulations are critically important. They introduced mandatory OBD monitoring to read vehicle data in real-time, ensuring compliance with emission standards, with particular emphasis on controlling nitrogen oxides and particulate matter in line with stricter China VI standards. These changes have significantly reduced air pollution sources, such as strictly controlling diesel vehicle emissions. As someone concerned about climate change, I believe the new regulations encourage vehicle owners to maintain their cars to reduce emissions, protecting public health in the long run. They also promote data networking and sharing, increasing transparency. Although the inspections are stricter, the benefits are numerous, and air quality will improve. I recommend more people support these measures and actively participate in actions to reduce their carbon footprint.

[LaPaul]

Having repaired cars for many years, I've seen quite a few new regulations. The 2021 exhaust emission testing upgrade was indeed troublesome. OBD testing became mandatory, reading vehicle fault codes, and failing if emissions exceeded standards. The testing limits for China VI vehicles were lowered, with stricter nitrogen oxide detection. Older vehicles often fail due to three-way catalytic converter issues. It's recommended that car owners regularly maintain and clean their exhaust systems rather than waiting for inspections. The new regulations have increased repair demands but also ensure cleaner urban air.

[DelAthena]

The 2021 exhaust emission regulations are quite demanding, with inspections now including OBD scanning of computer data. Failing to meet the China VI emission standards results in automatic failure, and nitrogen oxide detection has become stricter. While the policy aims to protect the environment, the inspection process is time-consuming. Older vehicles like mine are prone to issues, requiring repairs for any fault lights before inspection. It's advisable to prepare and maintain the car in advance to avoid failure. Newer vehicles might fare better, but overall, improving air quality is crucial.

[DiMaya]

We veteran drivers remember the stricter 2021 emission testing regulations. OBD diagnostics became mandatory to check system faults and verify exhaust compliance with China VI standards, especially for tight nitrogen oxide limits. The goal is to reduce urban pollution and protect public health. Older vehicles require maintenance, as test data gets uploaded - no repairs mean no passing. Benefits include cleaner air, though costs may rise. We recommend preemptive exhaust system checks to avoid inconvenient failures.