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. 2011 Sep;30(5):987-99.
doi: 10.1016/j.jhealeco.2011.05.017. Epub 2011 Jun 21.

School buses, diesel emissions, and respiratory health

Timothy K M Beatty  1 , Jay P Shimshack
Affiliations

School buses, diesel emissions, and respiratory health

Timothy K M Beatty et al. J Health Econ. 2011 Sep.

Abstract

School buses contribute disproportionately to ambient air quality, pollute near schools and residential areas, and their emissions collect within passenger cabins. This paper examines the impact of school bus emissions reductions programs on health outcomes. A key contribution relative to the broader literature is that we examine localized pollution reduction programs at a fine level of aggregation. We find that school bus retrofits induced reductions in bronchitis, asthma, and pneumonia incidence for at-risk populations. Back of the envelope calculations suggest conservative benefit-cost ratios between 7:1 and 16:1.

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