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Life cycle externalities versus external costs: The case of inland freight transport in Belgium

机译:生命周期外部性与外部成本的比较:比利时的内陆货运案例

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摘要

This paper proposes a case study on Belgium in which externalities and external costs of inland freight transport modes in Belgium are compared for the year 2012. The well-known Life Cycle Assessment methodology is used to identify the updated specific Belgian externalities related to three categories of negative impacts: climate change, photochemical ozone formation and particulate matter formation. The obtained values of externalities are then compared to the related external cost values. The objective is to determine if these two tools can be used interchangeably. We find that road transport has the maximum impact for every environmental impact indicator, with rail freight transport presenting the minimum one. We identify that each category of negative impact on the environment does not represent the same percentage of global externalities and external costs. In the analysis of the environmental impact per mode, it is observed that, when external costs are considered instead of externalities, the impact of road transport is slightly increased compared to both impacts of rail and inland waterways. Using externalities and average external costs interchangeably for estimating the impact of specific transport categories on the environment may thus lead to different results and different related policies.
机译:本文提出了一个比利时的案例研究,其中比较了比利时2012年内陆货运模式的外部性和外部成本。著名的生命周期评估方法用于确定与以下三种类别有关的最新比利时特定外部性:负面影响:气候变化,光化学臭氧形成和颗粒物形成。然后将获得的外部性值与相关的外部成本值进行比较。目的是确定这两个工具是否可以互换使用。我们发现,公路运输对每个环境影响指标的影响最大,铁路货运的影响最小。我们发现,每种类别的对环境的负面影响并不代表全球外部性和外部成本的相同百分比。在分析每种模式对环境的影响时,可以发现,与铁路和内陆水道的影响相比,当考虑外部成本而不是外部性时,公路运输的影响会略有增加。互换使用外部性和平均外部成本来估计特定运输类别对环境的影响可能会导致不同的结果和不同的相关政策。

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