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首页> 外文期刊>Transportation Research >Environmental and economic impacts of expanding electric vehicle public charging infrastructure in California's counties
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Environmental and economic impacts of expanding electric vehicle public charging infrastructure in California's counties

机译：加利福尼亚州扩大电动汽车公共充电基础设施的环境和经济影响

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摘要

Plug-in electric Vehicles (PEVs) are believed to be one of the solutions to mitigate emissions from road transportation. Which types of factors are most effective at encouraging PEV adoption, and what magnitude of reduction in emissions could be achieved by expanding charging infrastructure as an influential factor on PEVs? To answer these questions, we developed a statistical model relating charging station infrastructure and other potential factors to PEV adoption rate in 58 California counties. We found that male buyers in households with fewer number of vehicles are more likely to purchase PEVs particularly in counties with more available public charging station per capita. Then we investigated the life-cycle petroleum use, emissions, and costs of light duty vehicles for a hypothetical scenario where existing public charging stations are expanded relative to total daily miles travelled in each county. We found under this scenario Modoc County experiences the largest reduction in life-cycle GHG emissions, by 0.035%, followed by Sierra and Mono counties. The smallest potential is found in counties with low response rate to expanded charging station infrastructure, led by Alpine, Del Norte, and King counties. For 20 counties, including Butte, San Joaquin, and San Francisco, the benefit-cost ratio is less than one, which means the investment and maintenance costs of new infrastructure have not been offset by operation and externality cost savings. For the rest of the counties, this scenario is found to be compatible. The results assist planners in assessing environmental and economic benefits of PEVs and optimizing infrastructural investments.
机译：插入式电动汽车（PEV）被认为是减轻公路运输排放的解决方案之一。哪些类型的因素最有效地鼓励采用电动汽车，通过扩大充电基础设施作为电动汽车的影响因素，可以实现多少减排？为了回答这些问题，我们开发了一个统计模型，该模型将加利福尼亚58个县的充电站基础设施和其他潜在因素与PEV采用率联系起来。我们发现，在车辆数量较少的家庭中，男性购买者更有可能购买电动汽车，特别是在人均公共充电站数量更多的县。然后，我们针对一个假设情景调查了轻型车辆的生命周期石油使用，排放和成本，在该情景中，现有公共充电站相对于每个县的每日总行驶里程进行了扩展。我们发现，在这种情况下，莫多克县的生命周期温室气体减排量最大，减少了0.035％，其次是塞拉利昂和莫诺县。在以阿尔卑斯山，德尔诺特和金县为首的，对扩展充电站基础设施的响应率较低的县中，潜力最小。对于20个县（包括比尤特，圣华金和旧金山），收益成本比不到1，这意味着新基础设施的投资和维护成本并未被运营和外部成本节省所抵消。对于其他县，发现该方案是兼容的。结果可帮助规划人员评估电动汽车的环境和经济效益，并优化基础设施投资。

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