An Aviation gasoline is all special grades of gasoline for use in aviation reciprocating engines, as given in the American Society for Testing and Materials (ASTM) specification D 910 . Includes all refinery products within the gasoline range that are to be marketed straight or in blends as Aviation gasoline without further processing (any refinery operation except mechanical blending). Also included are finished components in the gasoline range, which will be used for blending or compounding into Aviation gasoline.