看国七排放标准最新进展

Group 1 - The National 7 emission standard, known as the "strictest environmental regulation in history," is currently under development and is expected to be released in 2027 and implemented in 2029 [2][11] - The National 7 standard will significantly impact both traditional and new energy vehicles, with major changes noted in the light-duty vehicle standards [3][4] - The standard aims to achieve six goals, including coordinated control of pollutants and greenhouse gases, enhanced real-world emission management, and the introduction of smart monitoring for vehicle emissions [4][6] Group 2 - The National 7 standard introduces stricter testing requirements compared to the previous National 6 standard, including the inclusion of new energy vehicles in emission regulations [5][9] - Key changes in the National 7 standard include the introduction of a flexible limit system and fleet average emission control, as well as enhanced monitoring of evaporative emissions and non-tailpipe particulate matter [6][8] - The standard sets ambitious target values for 2030, aiming for significant reductions in pollutant and greenhouse gas emissions from passenger and light commercial vehicles [7][10] Group 3 - The National 7 standard incorporates new testing requirements for hybrid vehicles, emphasizing the need for rigorous evaluation of their emissions performance [6][9] - The standard mandates real-time monitoring of new energy vehicle emissions through remote OBD data reporting and strengthens software anti-tampering requirements [9][10] - The weight of electric vehicle batteries, which can significantly impact particulate emissions from braking and tire wear, is also addressed in the context of the new standards [11]