How to Write the Letter for China V?

2 Answers
StAlyssa
07/25/25 3:35pm
China V is represented by the letter V. Below is an introduction to China V: 1. China V refers to the vehicle emission standard, officially known as the National Fifth Stage Emission Standard for Motor Vehicle Pollutants, or "China V Standard". 2. The emission control level of China V Standard is equivalent to the European Union's Euro 5 emission standard currently in effect. The EU has been implementing this standard since 2009, which imposes stricter limits on nitrogen oxides, hydrocarbons, carbon monoxide, and particulate matter emitted by motor vehicles. 3. In the early 1980s, China issued a series of emission standards for vehicle pollution control, including the "Idle Emission Standard for Gasoline Vehicles", "Free Acceleration Smoke Emission Standard for Diesel Vehicles", "Full-Load Smoke Emission Standard for Automotive Diesel Engines", and their measurement standards. This marked the gradual establishment of China's vehicle emission standards. On July 1, 2001, China introduced its first-stage emission standard, modeled after the European emission standards, followed by China II, China III, China IV, and China V. Each stage has stricter emission requirements than the previous one. Additional Information: The symbols for China I to China VI are: China I, China II, China III, China IV, China V, China VI.
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LeColeman
08/11/25 9:29pm
As a car enthusiast who has studied emission standards for many years, China 5 is actually the National Fifth Stage Emission Standard. Simply put, it's abbreviated as 'China V', where the V is the Roman numeral for five, representing the fifth stage. When writing the letter V, it's just like writing the uppercase English letter V: one diagonal stroke from top left to bottom right, and another from top right to bottom left, forming an inverted triangle shape. This symbol can be seen everywhere in automotive documents, such as environmental labels or vehicle licenses, indicating the vehicle's emission level. I think understanding this is important because China 5 vehicles were fully promoted around 2017, being much more environmentally friendly than China 4. When buying a used car, paying attention to this V can help avoid being tricked. The emission standards have progressed from China 1 to China 6, with V being a milestone in the middle, where technological improvements made exhaust emissions cleaner.
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