Energy efficiency resource standards : hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, second session, to receive testimony on energy efficiency resource standards, including bill S. 548, a bill to amend the Public Utility Regulatory Policies Act of 1978 to establish a federal energy efficiency resource standard for retail electricity and natural gas distributors, and for other purposes, April 22, 2009

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United States. Congress. Senate. Committee on Energy and Natural Resources

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