%0 Journal Article %K commercial trucks, emission modeling, fleet composition, fleet projection, 2121 US VIUS %A Xiaodan Xu %A Hung-Chia Yang %A Haitam Laarabi %A Cristian Poliziani %A Alicia Birky %A Kyungsoo Jeong %A Hongyu Lu %A Randall Guensler %A C Anna Spurlock %B International Journal of Sustainable Transportation %D 2025 %I Informa UK Limited %P 1-19 %R 10.1080/15568318.2025.2566755 %T Improving commercial truck fleet composition in emission modeling using 2021 US VIUS data %U https://doi.org/10.1080/15568318.2025.2566755 %8 08/10/2025