CONTENTS VII Page 211 275 250 508 Ford Motor Co -----------------------------------------------General Dynamics Corp., San Diego, Calif --------------------------General Motors Corp., Detroit, Mich ------------------------------Hudson Institute, Inc., Croton-on-Hudson, N.Y ---------------------Institute for Direct Energy Conversion, University of Pennsylvania, 343 Philadelphia, Pa--------------------------------------------515 Joe Alvin & Co., Los Angles, Calif --------------------------------285 Leesona Moos Laboratories Division of Leesona Corp., Great Neck, N.Y_. 530 National LP-Gas Association, Chicago, Ill --------------------------494 National Rural Electric Cooperative Association ---------------------494 Northwest Public Power Association, Vancouver, Wash ---------------Overseas Services, Ltd., Whickham, Newcastle-Upon-Tyne, England----- -164 174 Union Carbide Corp -------------------------------------------486 Westinghouse Electric Corp., Pittsburgh, Pa ------------------------356 West Penn Power Co., Cabin Hill, Greensburg, Pa -------------------519 Williams Engine Co., Inc., Ambler, Pa -----------------------------191 Yardney Electric Corp., New York, N.Y ----------------------------