sponsored by Society of Automotive Engineers and U. S. Department of Transportation. sponsored by Society of Automotive Engineers and the American Society of Mechanical Engineers. sponsored by Society of Automotive Engineers, Inc., and American Society for Testing and Materials. sponsored by Society of Manufacturing Engineers, Fabrictors and Manufacturers Association. sponsored by Society of Manufacturing Engineers, Fabricators and Manufacturers Association. sponsored by Society of Plastics Engineers, Inc., Buffalo Section. sponsored by Society of Automative Engineers, Inc. sponsored by Society of Automotive Engineers.