Emergency Natural Gas Act of 1977 : Hearing before the Subcommittee on Energy and Power of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-fifth Congress, first session, on H.R. 2500 a bill to authorize the President of the United States to order emergency deliveries and transportation of natural gas to deal with existing or imminent shortages by providing assistance in meeting requirements for high-priority uses; to provide authority for short-term emergency purchases of natural gas; and for other purposes, January 28, 1977.