Energy conservation initiatives : Hearings before the Subcommittee on Energy and Power of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-sixth Congress, first session on H.R. 5484, H.R. 5304, H.R. 5493, and H.R. 5726 bills to encourage and expedite energy conservation; to amend the National Energy Conservation Policy Act and the Energy Policy and Conservation Act; to establish an energy conservation bank; and for other purposes, October 12, 22, 24, and 30, 1979.