OCTANE NUMBER REQUIREMENT TREADS--PASSENGER CARS IN U.S., 1965-1974

In this review, based on surveys from 1965 through 1974, trends in octane number requirements reflect changes in engine design and exhaust systems to meet the legislated limits on emissions. The average requirement dropped approximately 5.5. Research octane numbers over the ten-year period with the most dramatic drop of approximately 3.0 octane numbers in 1971 when car manufacturers recommended use of 91 octane gasoline.

• Corporate Authors:

  Society of Automotive Engineers (SAE)

  400 Commonwealth Drive
  Warrendale, PA  United States  15096
• Authors:
  • Barnard, D P
  • Rogers Jr, J D
  • Wascher, W L
• Publication Date: 1975-10

Media Info

• Pagination: 39 p.

Subject/Index Terms

• TRT Terms: Automobiles; Automotive engineering; Emission control systems; Engines; Exhaust gases; Octane number; Pollutants
• Old TRIS Terms: Emission rates; Octane rating
• Subject Areas: Highways; Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00133481
• Record Type: Publication
• Report/Paper Numbers: SAE #750934
• Files: TRIS
• Created Date: Jun 5 1976 12:00AM