Energy efficiency : potential fuel savings generated by a national speed limit would be influenced by many other factors : [report to] the honorable John Warner, Ranking Member, Subcommittee on Private Sector and Consumer Solutions to Global Warming and Wildlife Protection, Committee on Environment and Public Works, United States Senate.

"Congress expressed interest in obtaining information on using a national speed limit to reduce fuel consumption. In response to the request, we reviewed existing literature and consulted knowledgeable stakeholders on the following: (1) What is the relationship between speed and the fuel econom...

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