More alcohol for your flights: MTJ receives ASTM approval

July 20, 2026 ADI Analytics

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In a significant milestone for aviation decarbonization, the methanol-to-jet (MTJ) pathway for sustainable aviation fuel (SAF) production received approval last month under ASTM D7566 Annex A5. Exhibit 1 below shows all the approved SAF production pathways. The approval also includes e-methanol produced via power-to-liquid (PtL) processes using renewable electricity and captured CO₂ as an eligible SAF feedstock. This addition expands the portfolio of approved SAF production pathways, providing the industry with greater flexibility to scale supply.

Exhibit 1. SAF production pathways approved under ASTM D7566.

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