This specification covers a fuel blend, nominally 51 to 83 volume % ethanol for use in ground vehicles equipped with ethanol fuel blend flexible-fuel spark-ignition engines. Ethanol fuel blends, also referred to as "Ethanol Flex Fuel" shall conform to the performance requirements prescribed. Ethanol fuel blends shall be visually free of sediment and suspended matter. The vapour pressure, acidity, pHe requirements, gum content, inorganic chloride, water requirements, copper requirements, and sulphur requirements shall be tested to meet the requirements prescribed.
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM D5798-21 |
| Product Name | Standard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines |
