What is the equivalent national emission standard for Euro 4?
3 Answers
Euro 4 is equivalent to China's National IV emission standard. Below are relevant details about the National IV emission standard: 1. It represents the fourth stage of national motor vehicle pollutant emission standards. 2. Achieved through technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices. 3. Controls and reduces vehicle emissions to levels below specified limits. Here are details about the Euro 4 emission standard: 1. Technically, the Euro V emission standard requirements are equivalent to China's National IV standard. 2. The Euro V standard (also known as Euro 4V) was implemented in late 2005 as a crucial vehicle exhaust emission benchmark. 3. Limits nitrogen oxide (NOx) emissions to 250 mg/km for diesel passenger cars and 390 mg/km for vans and SUVs. 4. China's National IV standard targets four major vehicle pollutants: HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). 5. Utilizes technologies including catalytic converter active layers, secondary air injection, and cooled exhaust gas recirculation systems to control emissions below mandated thresholds.
I have quite a bit of knowledge about vehicle emissions. The Euro 4 emission standard was implemented in Europe around 2005, and its counterpart in China is the National 4 standard. This matching is because global emission standard systems are generally similar, and China referenced the core requirements of Euro 4 when formulating National 4, such as limiting nitrogen oxides and particulate matter emissions. I remember that after National 4 was promoted in 2010, new vehicle registrations were required to meet this level, and older vehicles were gradually phased out. As someone who often pays attention to environmental protection, I think this has been very helpful in improving air quality, but car owners need to pay attention to whether their beloved vehicles comply with local policies, especially in some major cities where restricted zones are increasing. The upgrade of emission standards actually drives automakers to innovate technologies, such as more efficient catalytic converters, but the price of cars may be slightly higher when purchasing. In short, confirming whether your car meets National 4 can avoid daily troubles.
When buying a car, I paid special attention to emissions. Euro 4 is equivalent to China's National 4 standard. Simply put, an imported Euro 4 car in China is directly classified under National 4 regulations. Currently driving a car labeled Euro 4, it shows National 4 during annual inspections, with no issues for road access. However, it's important to note that National 4 was implemented later, around 2010, and many city centers have started restricting access for older cars below National 4. As an ordinary car owner, I think this is good for reducing vehicle pollution, but it affects the resale value of used cars. I recommend checking the vehicle's environmental label or conformity certificate to confirm, as different emission standards directly impact registration and maintenance costs. Choosing a National 4 car is also a bit more responsible towards the environment.
