What is the emission standard for 2007 vehicles?

[DelJosephine]

2007 vehicles comply with either China II or China III emission standards. Below are the implementation timelines for other emission standards: 1. China IV standard: Nationwide implementation began on July 1, 2010. Compared to China III, this standard upgraded the post-emission treatment system, reducing pollutant emissions by 50% to 60%. 2. China V standard: Nationwide implementation started on January 1, 2018. The China V standard imposes stricter limits on nitrogen oxides (NOx), hydrocarbons (HC), carbon monoxide (CO), and particulate matter (PM) from motor vehicles. Compared to China IV, it reduces NOx emissions by 25% and adds emission limits for non-methane hydrocarbons and PM to combat air pollution and prevent smog.