publication . Preprint . 1995

Trends in Aggregate Vehicle Emissions: Do We Need To Emissions Test?

Matthew Kahn;
Open Access
  • Published: 02 Jul 1995
Vehicle emissions are falling. As the oldest vehicles in the fleet are scrapped and are replaced by cleaner vehicles, aggregate emissions decline. Given this trend, must costly used car regulation continue? The Clean Air Act of 1990 requires more stringent used car testing without considering the counter-factual of how aggregate emissions would evolve in the absence of more regulation. This paper use data on vehicle scrappage rates, vehicle emissions by model year, and county air quality levels in counties that do and do not emissions test to explore the past benefits of vehicle emissions testing and to extrapolate future emissions if regulation were not increas...
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3Several studies have quantified the costs of environmental regulation (Hazilla and Kopp 1990, Jorgenson and Wilcoxen 1990, Gruenspecht 1982, White 1982, Nelson, Tietenberg and Donihue 1993).

6For more on the IM240 see McConnell and Harrington 1992 and the U.S General Accounting Office 1992.

MacAvoy, Paul. "The Record of the Environmental Protection Agency in Controlling Industrial Air Pollution." In Energy Markets and Regulation. Edited by R.L. Gordon et. al. Cambridge MA: Ballinger 1987, pp. 459-488.

Mills, Edwin and Lawrence White. "Government Policies toward Automotive Emissions Control." in Approaches to Controlling Air Pollution. edited by Ann Friedlaender. MIT Press. 1978.

Portney, Paul and J. Mullahy. "Urban Air Quality and Chronic Respiratory Disease. Regional Science Journal of Urban Economics. vol. 20, pp. 407-418. 1990.

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