Assessment and Analysis on the Structure Status and CO2 Emissions from Freight Transport in ChinaRenjie Wang, Yuanyuan Song, Xiaoyi Li, Xiaoyu Tan, Meizhen Gao, Shengqiang Liu and Jie LiuE3S Web Conf., 520 (2024) 02036DOI: https://doi.org/10.1051/e3sconf/202452002036