Trends in Aggregate Vehicle Emissions: Do We Need to Emissions Test Used Cars?
نویسنده
چکیده
New car regulation has greatly reduced vehicle emissions. Still, many counties are not achieving Clean Air Act targets. To achieve cleaner air, many counties have implemented costly emissions testing programs. Whether such programs pass a cost/benefit test depend on how aggregate emissions would have evolved in the absence of regulation and how this regulation affects driver maintenance incentives. I present an intervention analysis to study the Illinois and Florida inspection program's "value added". Assistant Professor of Economics and International Affairs, School of International and Public Affairs, Columbia University, 420 W. 118th Street, NY, NY 10027, e-mail: [email protected].
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