Mark Hoekstra, Jonathan Meer, Steve Puller, Jeremy West, 15 July 2015

A primary policy tool for reducing pollution from motor vehicles in the US is to directly regulate fuel efficiency. This column investigates whether drivers respond to increased fuel efficiency standards by driving more. The evidence from a stimulus programme shows that households did not increase their driving due to increased fuel efficiency regulations, but they purchased smaller, cheaper, and less powerful vehicles.

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CEPR Policy Research