Standard Specification for Automotive Spark-Ignition Engine Fuel, ASTM D4814-24a, July 2024, ASTM International, P.O. Box C700, West Conshohocken, PA 19428, www.astm.org

Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel, ASTM D4806-21a, October 2021, ASTM International, P.O. Box C700, West Conshohocken, PA 19428, www.astm.org