1. Ministry of Ecology and Environment of China, China Mobile Source Environment Management Annual Report (2023). https://www.mee.gov.cn/ywgz/dqhjbh/ydyhjgl/202312/t20231207_1058461.shtml.
2. United States Environmental Protection Agency, Final Rule and Related Materials for Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards. https://www.epa.gov/regulations-emissions-vehicles-and-engines/final-rule-and-related-materials-control-air-pollution.
3. European Commission, Commission proposes new Euro 7 standards to reduce pollutant emissions from vehicles and improve air quality. https://ec.europa.eu/commission/presscorner/detail/en/ip_22_6495.
4. Ministry of Ecology and Environment of China, Limits and measurement methods for emissions from diesel fuelled heavy-duty vehicles (CHINA VI). https://www.mee.gov.cn/ywgz/fgbz/bz/bzwb/dqhjbh/dqydywrwpfbz/201807/t20180703_445995.shtml.
5. Experimental Assessment of NOx Emissions from 73 Euro 6 Diesel Passenger Cars;Yang;Environmental Science & Technology,2015