This is the code related to the paper titled "Assessing heavy-duty vehicles (HDVs) on-road NOx emission in China from on-board diagnostics (OBD) remote report data,"

authored by Junfang Wang, Rui Wang, Heqi Yin, Yunjing Wang, Hongli Wang, Chaohua He, Jindong Liang, Dongquan He, Hang Yin, and Kebin He, and published in the journal Science of The Total Environment, Volume 846, Page 157209, in the year 2022 by Elsevier. @article{wang2022assessing, title={Assessing heavy-duty vehicles (HDVs) on-road NOx emission in China from on-board diagnostics (OBD) remote report data}, author={Wang, Junfang and Wang, Rui and Yin, Heqi and Wang, Yunjing and Wang, Hongli and He, Chaohua and Liang, Jindong and He, Dongquan and Yin, Hang and He, Kebin}, journal={Science of The Total Environment}, volume={846}, pages={157209}, year={2022}, publisher={Elsevier} }