How Long Can Shanghai National IV Emission Vehicles Continue to Be Driven?
1 Answers
Shanghai National IV vehicles can continue to be driven as long as they are in good condition. Below is an introduction to National IV standards: 1. Introduction: The National IV emission standard is China's fourth-stage motor vehicle pollutant emission standard. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). 2. Basics: China's vehicle emission standards have been upgraded annually: On July 1, 2004, the National II emission standard was implemented nationwide. 3. Issues: During the 2010 'Two Sessions,' Chen Hong from SAIC mentioned in a proposal: 'The phenomenon of fuel quality consistently lagging behind vehicle emission standards has persisted in China for many years, with fuel that meets emission requirements not being supplied to the market in sync.'