Co-Benefits in Carbon Reduction from Freight Mode Shifts Under China's "Clean Air Action"

作     者：Liu, Lina Liu, Yifan Zhu, Yijing Mommens, Koen Wang, Haikun 

作者机构：State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing210023 China Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing210023 China Vrije Universiteit Brussel Pleinlaan 2 Brussels1050 Belgium Collaborative Innovation Centre of Climate Change Jiangsu Province Nanjing210023 China Frontiers Science Centre for Critical Earth Material Cycling Nanjing University Nanjing210023 China 

出 版 物：《SSRN》 

年 卷 期：2024年

核心收录：

主　　题：Carbon dioxide 

摘      要：China s air pollution mitigation policy promotes the shift of bulk cargo transportation from roadways to railways and waterways, consequently influencing carbon emissions. Developing a novel emissions assessment encompassing various truck types, rail, and waterways, we quantitatively examined the potential co-benefits of freight mode shifts on CO2 (carbon dioxide) and air pollution emissions through counterfactual scenarios during Clean Air Action from 2013 to 2020. Our findings indicate an avoidance of approximately 15.0 Mt of CO2 emissions within the freight sector. Specifically, medium-duty and heavy-duty trucks substantially contribute to carbon reduction in distinct periods. Rail transportation acted as the most effective mode, significantly promoting simultaneous mitigation. While positive co-benefits are observed in HC (hydrocarbon, 9.2 Kt), CO (carbon monoxide, 258.8 Kt), and NOx (nitrogen oxides, 258.0 Kt), PM2.5 (particulate matter with an aerodynamic diameter ≤2.5 μm) did not exhibit the same trend due to an increase in waterway emissions, resulting in an additional 7.6 Kt of emissions. Freight mode shifts have proven effective for synergistic emissions reductions, but the increasing waterway emissions should be paid more attention to. Enhancing railway capacity and optimizing energy structures for waterways and highways will amplify policy impact, aiding China s journey towards carbon neutrality. © 2024, The Authors. All rights reserved.