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Fuel Standards Adopted By Rule

ASTM Revisions adopted by rule in Oregon

OAR 603-027-0420

The following ASTM standard fuel specifications are adopted by rule in the State of Oregon. These are found in the 2023 ASTM Annual Book of Standards, Volume 5. Copies are available for inspection at the Agency.

Gasoline/Gasoline Oxygenates

  • D4806-21a Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel
  • D4814-22 Standard Specification for Automotive Spark-Ignition Engine Fuel

Diesel/Biodiesel/Renewable Diesel

  • D975-22a Standard Specification for Diesel Fuel
  • D7467-20a Standard Specification for Diesel Fuel Oil, Biodiesel Blend (B6 to B20)
  • D6751-23a Standard Specification for Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels

Aviation Gasoline

  • D910-21 Standard Specification for Leaded Aviation Gasolines
  • D6227-18 Standard Specification for Unleaded Aviation Gasoline Containing a Non-hydrocarbon Component
  • D7547-21 Standard Specification for Hydrocarbon Unleaded Aviation Gasoline

Alternative Spark Ignition Engine Fuels

  • D5797-21 Standard Specification for Methanol Fuel Blends (M51–M85) for Methanol-Capable Automotive Spark-Ignition Engines
  • D5798-21 Standard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines