Davis, Noble, Tribble, and Douglas nominations : hearing before the Committee on Energy and Natural Resources, United States Senate, Ninety-seventh Congress, first session, on the nominations of W. Kenneth Davis to be deputy secretary of the Department of Energy, Edward E. Noble to be chairman of the Board of the United States Synthetic Fuels Corporation, Joseph J. Tribble to be assistant secretary for conservation and renewable energy, Department of Energy, and Rosslee G. Douglas to be director, Office of Minority Economic Impact, Department of Energy, May 13, 1981.