Research ReportCRS ReportVersion 12
R40872
U.S. Fossil Fuel Resources: Terminology, Reporting, and Summary
Published Dec 28, 2011Updated Jun 20, 2025
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The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.