ASTM D5797-06 - 1.8.2006
 
1. Scope

1.1 This specification covers a fuel blend, nominally 70 to 85 volume % methanol and 30 to 14 volume % hydrocarbons for use in ground vehicles with automotive spark-ignition engines. discusses the significance of the properties specified. presents the current status in the development of a luminosity test procedure for M70-M85.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

The following precautionary caveat pertains only to the test method portions-Annex A1, Annex 2, Annex 3, and Appendix X2 of this specification.This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

D7920-21

Standard Test Method for Determination of Fuel Methanol (M99) and Methanol Fuel Blends (M10 to M99) by Gas Chromatography

E203-24

Standard Test Method for Water Using Volumetric Karl Fischer Titration

D7757-22

Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry

D5453-25

Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence

D7328-23

Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection

D5191-22

Standard Test Method for Vapor Pressure of Petroleum Products and Liquid Fuels (Mini Method)

D7667-21

Standard Test Method for Determination of Corrosiveness to Silver by Automotive Spark-Ignition Engine Fuel—Thin Silver Strip Method

D7671-21

Standard Test Method for Corrosiveness to Silver by Automotive Spark–Ignition Engine Fuel–Silver Strip Method

D525-12a(2025)

Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method) (Includes all amendments and changes 12/24/2025).

D4057-22

Standard Practice for Manual Sampling of Petroleum and Petroleum Products

D4953-26

Standard Test Method for Vapor Pressure of Gasoline and Gasoline-Oxygenate Blends (Dry Method)

D5059-26

Standard Test Methods for Lead and Manganese in Gasoline by X-Ray Fluorescence Spectroscopy

D5798-25

Standard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines

D5854-25

Standard Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products

D4175-24e2

Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants (Includes all amendments and changes 6/9/2026).

D4177-22e1

Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (Includes all amendments and changes 3/24/2023).

D4306-20

Standard Practice for Aviation Fuel Sample Containers for Tests Affected by Trace Contamination

D4806-25

Standard Specification for Denatured Fuel Ethanol

D4814-26

Standard Specification for Automotive Spark-Ignition Engine Fuel

D86-23ae2

Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure (Includes all amendments and changes 11/4/2024).

D381-25

Standard Test Method for Gum Content in Fuels by Jet Evaporation

D1193-24

Standard Specification for Reagent Water

D1266-18

Standard Test Method for Sulfur in Petroleum Products (Lamp Method) (Withdrawn 2025)

D1613-17(2023)

Standard Test Method for Acidity in Volatile Solvents and Chemical Intermediates Used in Paint, Varnish, Lacquer, and Related Products

D130-26

Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test

D3231-25

Standard Test Method for Phosphorus in Gasoline