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News

Montana Renewables Announces Innovative, Capital-Efficient Expansion to 200 Million Gallons of Sustainable Aviation Fuel

Sep 1, 2026

View this content on our Investor Relations site.

Montana Renewables Celebrates Minnesota SAF Hub

Aug 4, 2026

PAUL, MN – Montana Renewables, LLC (MRL) joined the Minnesota SAF Hub in celebration of new supply to Minneapolis-St. Paul International Airport (MSP). MRL will supply up to 30 million gallons of...

Montana Renewables Collaborates with Gulfstream for Low Emissions Testing

Jul 8, 2026

GREAT FALLS, Mont., July 8, 2026 /PRNewswire/ -- Montana Renewables, LLC (MRL) is proud to have collaborated with Gulfstream Aerospace Corp. and its partners as the exclusive fuel supplier for...

Montana Renewables and World Energy Join Forces to Drive Efficiency and Scale in Sustainable Aviation Fuel (SAF) Deliveries

Feb 19, 2026

Agreement signals ongoing growth of Sustainable Aviation Fuel market GREAT FALLS, Mont. and BOSTON, Feb. 19, 2026 /PRNewswire/ -- Montana Renewables, LLC (MRL) and World Energy Clean Fuels LLC...

Montana Renewables Launches MaxSAF™ Blended, Advancing Sustainable Aviation Fuel

Oct 27, 2025

GREAT FALLS, Mont., Oct. 27, 2025 /PRNewswire/ -- Montana Renewables (MRL), in collaboration with Calumet Montana Refining (CMR), has commissioned onsite blending and shipping facilities to offer a...

North American SAF Conference Demonstrates Industry Tenacity

Oct 1, 2025

View this content on Ethanol Producers Magazine's Website

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Calumet Events & Presentations

Certifications

RSB Book & Claim Certification

ISCC CORSIA Certification

ISCC PLUS Certification

ISCC EU Certification

Montana Renewables offers RSB Book & Claim Units (BCUs) representing the verified sustainability attributes of certified SAF. These units are issued and tracked through the independent RSB Registry.

ISCC CORSIA certification ensures that Montana Renewables complies with the international sustainability standards required for offsetting aviation emissions and contributes to a greener future.

ISCC PLUS certification ensures that Montana Renewables adheres to the highest sustainability and traceability standards for the production of renewable products, supporting environmentally responsible practices.

ISCC EU ensures that Montana Renewables complies with the European Union’s legal requirements for sustainability and greenhouse gas emissions savings criteria for sustainable fuels in accordance with the Renewable Energy Directive.

Memberships

Great Falls Calumet Cares

Community Giving Guidelines

At Montana Renewables, an unrestricted subsidiary of Calumet, we care deeply about the Great Falls community where we live and work. We strive to be a responsible neighbor and a positive force for the greater good through charitable giving, volunteerism, and local partnerships. Organizations in the Great Falls and Black Eagle, Montana area are invited to apply for support, donations, or sponsorships through our community giving program.

Applications accepted April 1–May 31, 2026. Award recipients announced September 17, 2026.

Click to complete the Great Falls Calumet Cares Application

Montana Renewables, LLC is a subsidiary of Calumet, Inc. Visit Calumet.com for more information.