What was the emission standard for cars in 2007?
2 Answers
2007 cars adhered to either China II or China III emission standards. The China III standard primarily applied to light gasoline and diesel vehicles under 3.5 tons, with nationwide implementation starting on July 1, 2007. Prior to this date, vehicles followed the China II emission standard. Below are methods to check a vehicle's emission standard: Check the Motor Vehicle Certificate of Conformity: New vehicles come with a certificate of conformity that clearly states the emission standard. Review the Vehicle Inventory List: Locate the vehicle inventory list, where the emission standard is listed in the vehicle information section. Examine the Certificate of Compliance: This document includes exhaust emission details and specifies the corresponding emission standard. Query via the Motor Vehicle Environmental Protection Website: Visit the website, find the public query platform on the homepage, enter the vehicle's VIN code and the last six digits of the engine number to retrieve the information. Inspect the Vehicle's Environmental Protection Label: The back of the environmental protection label on the vehicle's front windshield displays the emission standard.
Cars produced in 2007 in China generally comply with the China III emission standards, which were gradually implemented starting around 2005 and fully enforced in 2007. As an enthusiast who frequently studies automotive history, I've found that the China III standards required stricter exhaust purification measures, such as the use of better catalytic converters to control carbon monoxide and hydrocarbon emissions. This was part of the environmental policy response at the time, aimed at promoting vehicle upgrades to reduce pollution. Looking back at older vehicles now, the China III standard is considered intermediate—stricter than the previous China II but far less stringent than the current China VI standards. Owners of such vehicles should pay attention to maintaining the emission system, including regular checks on the three-way catalytic converter to prevent malfunctions that could lead to excessive emissions. Before purchasing a used car, it's advisable to check the emission information on the vehicle's registration certificate for confirmation.
