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News

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

Montana Renewables Announces Onsite Water Treatment Plans

Jul 22, 2025

Great Falls, Montana — Montana Renewables (MRL), the leading independent producer of renewable fuels in the US, announced today that it intends to build additional water treatment capacity at its...

Montana Renewables Announces Closing of $1.44 Billion DOE Loan Facility for Renewable Fuels and Biomass Energy Facility

Jan 15, 2025

Initial loan proceeds of $782 million expected to be funded this month and balance of proceeds funded through planned construction period DOE loan guarantee facilitates expansion of Sustainable...

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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.