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Testimony before the Subcommittee on Fossil and Synthetic Fuels, Committee on Energy and Commerce, U.S. House of Representatives
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Testimony before the Joint Economic Committee, U. S. Congress
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Testimony before the Subcommittee on Social Security, Committee on Ways and Means, U.S. House of Representatives
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Testimony before the Subcommittee on Energy Conservation and Power of the HOuse Committee on Energy and Commerce
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Testimony before the Special Committee on Aging, United States Senate
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Testimony before the Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, U.S. House of Representatives
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- Report