The national energy plan options under assumptions of national security threat or energy policy as if it really mattered [electronic resource] : a report / printed at the request of John D. Dingell, chairman, Subcommittee on Energy and Power, Committee on Interstate and Foreign Commerce, United States House of Representatives and John Glenn, chairman, Subcommittee on Energy, Nuclear Proliferation, and Federal Services, Committee on Governmental Affairs, United States Senate by the Congressional Research Service, Library of Congress