Achieving bus electrification: Strategy for bus fleet replacement in cold region

IF 7.3 1区 工程技术 Q1 ENVIRONMENTAL STUDIES
Jie Zhang , Yulong Pei , Jianqi Sun , Yuanwen Lai , Shuyi Wang , Said M. Easa
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引用次数: 0

Abstract

To achieve carbon neutrality, many regions have set electrification targets for bus fleets. However, the impact of low temperatures on electric bus (EB) operations is often overlooked, leading to operational difficulties. To this end, we introduce an EB replacement discount coefficient to quantify reduced range and slower charging under low-temperature conditions and develop a Bus Fleet Replacement (BFR) model for cold regions. A case study using typical cold-region data is conducted. Finally, we discuss the effects of individual and combined policies, and parameter variations on the electrification process. The results indicate: i) replacing buses with electric ones in cold regions does not significantly increase the life cycle costs; ii) EB price subsidies and annual operational subsidies effectively accelerate electrification, and most policy combinations further reduce social costs; iii) the model can adjust replacement strategies based on case data and parameter changes. These findings support optimal BFR strategies in cold regions.
实现公交电气化:寒冷地区公交车队更换策略
为了实现碳中和,许多地区已经为公交车队设定了电气化目标。然而,低温对电动客车(EB)运行的影响往往被忽视,导致运行困难。为此,我们引入电动汽车更换折扣系数来量化低温条件下的续航里程减少和充电速度减慢,并开发了寒冷地区的公交车队更换(BFR)模型。利用典型寒冷地区的数据进行了案例研究。最后,我们讨论了单独政策和组合政策以及参数变化对电气化过程的影响。结果表明:1)在寒冷地区,以电动公交车替代公共汽车不会显著增加生命周期成本;(2)电动汽车价格补贴和年度运营补贴有效加快了电气化进程,多数政策组合进一步降低了社会成本;Iii)模型可以根据案例数据和参数变化调整替换策略。这些发现为寒冷地区的最佳BFR策略提供了支持。
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来源期刊
CiteScore
14.40
自引率
9.20%
发文量
314
审稿时长
39 days
期刊介绍: Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.
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