Board on Energy and Environmental Systems & Committee on the Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards 
Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards [PDF ebook] 

Since CAFE standards were established 25 years ago, there have been significant changes in motor vehicle technology, globalization of the industry, the mix and characteristics of vehicle sales, production capacity, and other factors. This volume evaluates the implications of these changes as well as changes anticipated in the next few years, on the need for CAFE, as well as the stringency and/or structure of the CAFE program in future years.