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Montana Renewables trials 100% MaxSAF with Gulfstream

July 8, 2026 |

In Montana, Montana Renewables, LLC (MRL) is proud to have collaborated with Gulfstream Aerospace Corp. and its partners as the exclusive fuel supplier for recent low emissions testing on the Gulfstream G800 aircraft. MRL provided MaxSAF® to fuel the aircraft and Washington State University performed fuel property characterization in preparation for the flight.

Through this testing, Gulfstream became the first business aviation company to successfully complete a high-altitude flight test campaign demonstrating the potential for 100% neat SAF to reduce contrail-forming particle emissions at altitudes up to 50,000 feet. This campaign was designed to isolate how fuel composition influences non-CO2 emissions, and compared conventional Jet-A, low-sulfur Jet-A and neat hydroprocessed esters and fatty acids (HEFA) SAF, which contains no sulfur or aromatics. Preliminary results suggest a significant measurable reduction in the particulate emissions that contribute to contrail formation when operating on neat SAF.

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Category: Fuels

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