ASTM begins work on new avgas specification

On Oct. 2 the ASTM announced the start of a new avgas specification for a “binary unleaded aviation fuel”:

“1.1 This specification covers formulating specifications for purchases of a binary unleaded aviation fuel under contract and is intended primarily for use by purchasing agencies for testing purposes. 1.2 This specification defines a specific type of binary unleaded aviation fuel for use as an aviation gasoline.”

Your bloggers do not have any more information at this time, and are not familiar with the meaning of a “binary” fuel. Can our readers help us


  1. It appears that binary unleaded aviation fuel is the new synthetic hydrocarbon product being developed by Swift Enterprises ( and Virent Energy Systems, Inc. (

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