TY - JOUR A1 - Hudda, N. A1 - Fruin, S. A1 - Delfino, R. J. A1 - Sioutas, C. T1 - Efficient determination of vehicle emission factors by fuel use category using on-road measurements: downward trends on Los Angeles freight corridor I-710 JO - Atmos. Chem. Phys. J1 - ACP VL - 13 IS - 1 SP - 347 EP - 357 Y1 - 2013/01/11 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/13/347/2013/ L1 - https://acp.copernicus.org/articles/13/347/2013/acp-13-347-2013.pdf DO - 10.5194/acp-13-347-2013 ER -