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EPA: 2.04 billion RINs generated in August

September 21, 2023

BY Erin Krueger

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Calumet: MaxSAF expansion remains on track for 2026 startup

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By Erin Krueger

21 hours ago

Sustainable Aviation Fuels Operations Business 

Calumet Inc. on Nov. 7 announced the MaxSAF expansion at its Montana Renewables facility is progressing on schedule. Renewable fuels production during the third quarter was impacted by a sustainable aviation fuel (SAF) expansion test run.

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Aemetis Inc. released Q3 results on Nov. 6, reporting increased RNG capacity and higher capacity utilization at the company’s California ethanol plant. Aemetis also provided an update of biodiesel, SAF and CCS projects.

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Clean Fuels Alliance America on Nov. 7 urged the U.S. EPA to quickly finalize the overdue Renewable Fuel Standard rule for 2026 and 2027 and to fully reallocate all granted and expected small refinery exemptions.

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The U.S. EPA on Nov. 7 issued decisions on 16 small refinery exemption (SRE) petitions filed by eight small refineries. The agency granted full exemptions to two petitions, partial (50%) exemptions to 12 petitions, and denied two petitions.

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UBC researchers discover microbes turning food waste into energy

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By University of British Columbia

November 07, 2025

University of British Columbia researchers have identified a previously unknown bacterium in the Natronincolaceae family that plays a crucial role in the process of converting food waste into renewable natural gas (RNG).

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