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Journal of Environmental and Public Health
Volume 2013 (2013), Article ID 797312, 14 pages
Review Article

Cobenefits of Replacing Car Trips with Alternative Transportation: A Review of Evidence and Methodological Issues

1School of Population Health, The University of Adelaide, North Terrace, Adelaide, SA 5000, Australia
2School of Public Health, The University of Sydney, Fisher Road, Sydney, NSW 2008, Australia
3Environment Protection Authority, GPO Box 2607, Adelaide, SA 5001, Australia

Received 28 March 2013; Revised 11 June 2013; Accepted 19 June 2013

Academic Editor: Li Ming Wen

Copyright © 2013 Ting Xia et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


It has been reported that motor vehicle emissions contribute nearly a quarter of world energy-related greenhouse gases and cause nonnegligible air pollution primarily in urban areas. Reducing car use and increasing ecofriendly alternative transport, such as public and active transport, are efficient approaches to mitigate harmful environmental impacts caused by a large amount of vehicle use. Besides the environmental benefits of promoting alternative transport, it can also induce other health and economic benefits. At present, a number of studies have been conducted to evaluate cobenefits from greenhouse gas mitigation policies. However, relatively few have focused specifically on the transport sector. A comprehensive understanding of the multiple benefits of alternative transport could assist with policy making in the areas of transport, health, and environment. However, there is no straightforward method which could estimate cobenefits effect at one time. In this paper, the links between vehicle emissions and air quality, as well as the health and economic benefits from alternative transport use, are considered, and methodological issues relating to the modelling of these cobenefits are discussed.