在短期内,利用混合动力公共汽车将导致更快的交通脱碳
Mahsa Arabi1, Tolu Oke1, Erin Baker2
1Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, MA, USA.
iScience
|October 13, 2025
概括
将交通系统转换为电动巴士是实现净零排放的关键. 一个新的框架表明,混合动力和电动巴士的混合,而不是全电动,在预算限制下最大限度地减少排放.
科学领域:
- 环境科学环境科学
- 运输工程 运输工程 运输工程
- 运营研究 运营研究
背景情况:
- 实现净零排放需要公共交通系统从柴油转向零排放公交车.
- 目前的过渡战略经常面临与预算和基础设施限制有关的挑战.
研究的目的:
- 引入一个综合的决策和能源建模框架,用于分析公交车队过渡战略.
- 评估不同类型的公共汽车 (电动,混合动力) 在各种预算场景下减少排放的有效性.
主要方法:
- 开发了一个详细的能源模型来预测公共汽车的燃料消耗.
- 创建了一个优化模型,将公共汽车类型分配到预定行程,最大限度地减少柴油消耗和排放.
- 将框架应用于开拓者谷交通管理局网络.
主要成果:
- 在现实的限制下,采用混合动力和电动巴士混合的电气化战略比全电动战略更有效地减少排放.
- 对于固定预算,混合动力公交车在18年时间内,与纯电动车队相比,可以额外减少6%的排放量.
- 混合动力巴士加速了柴油巴士的淘汰,最大限度地减少了排放量,同时解决了基础设施和财务限制.
结论:
- 拟议的框架为运输机构提供了一种数据驱动的方法,以规划投资并实现脱碳目标.
- 混合车队战略 (混合动力和电动) 对于减少排放比完全电动的方法更有效,考虑到当前的限制.
- 混合动力公交车提供了一条可行的途径,可以加速从柴油转型,从而加强整体减排工作.
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