• Calumet’s Montana Renewables supplied MaxSAF for Gulfstream G800 low-emissions flight testing using 100% neat sustainable aviation fuel.
• Testing reached altitudes up to 50,000 feet, targeting reductions in contrail-forming particulate emissions versus conventional Jet-A variants.
• Preliminary results indicated a measurable drop in particulates linked to contrail formation when operating on neat HEFA SAF with no sulfur or aromatics.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Calumet Inc. published the original content used to generate this news brief on July 08, 2026, and is solely responsible for the information contained therein.