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Individual transport emissions and the built environment: A structural equation modelling approach

机译:个人运输排放和建筑环境:一种结构方程建模方法

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摘要

Increasing CO2 emissions from the transport sector have raised substantial concerns among researchers and policy makers. This research examines the impact of the built environment on individual transport emissions through two mediate variables, vehicle usage and vehicle type choice, within a structural equation modelling (SEM) framework. We find that new urbanism -type built environment characteristics, including high density, mixed land use, good connectivity, and easy access to public transport systems help reduce transport CO2 emissions. Such mitigating effect is achieved largely through the reduced vehicle miles travelled (VMT) and is enhanced slightly by the more efficient vehicles owned by individuals living in denser and more diverse neighborhoods, all else being equal. Our research findings provide some new evidence that supports land use policies as an effective strategy to reduce transport CO2 emissions. (C) 2016 Elsevier Ltd. All rights reserved.
机译:运输部门二氧化碳排放量的增加引起了研究人员和决策者的极大关注。这项研究在结构方程模型(SEM)框架内,通过两个中间变量,即车辆使用和车辆类型选择,研究了建筑环境对个人运输排放的影响。我们发现,新的城市主义型建筑环境特征(包括高密度,混合土地利用,良好的连通性以及易于使用的公共交通系统)有助于减少交通运输中的二氧化碳排放。这种缓解作用主要是通过减少行驶的车辆行驶距离(VMT)来实现的,而居住在人口稠密和多样化的社区中的个人拥有的更高效的车辆则略有增强,其他所有条件都是相同的。我们的研究结果提供了一些新证据,这些证据支持土地使用政策作为减少交通运输CO2排放的有效策略。 (C)2016 Elsevier Ltd.保留所有权利。

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