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DOE: 3 ways algae can impact the US clean energy economy

Algae, including macroalgae and microalgae, are versatile organisms that produce biomass that could help the nation meet its clean energy goals. Photos courtesy of Jordan Hollarsmith, NOAA; Dennis Schroeder, NREL; and MicroBio Engineering.

May 31, 2024

BY U.S. Department of Energy

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Alabama and Louisiana governors petition EPA for partial waiver of 2027 RFS RVOs

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By Erin Krueger

November 11, 2026

Policy 

Alabama Gov. Kay Ivey and Louisiana Gov. Jeff Landry on Nov. 9 submitted a petition to U.S. EPA Administrator Lee Zeldin seeking a partial waiver of the compliance year 2027 Renewable Fuel Standard renewable volume obligations (RVOs).

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Calumet Inc. on Nov. 6 announced Montana Renewables delivered record high earnings for Q3. During an earnings call, company officials discussed the ongoing MaxSAF initiative and a related asset lease agreement announced Nov. 5.

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Aemetis Inc. released third quarter results on Nov. 5, reporting increased revenue and higher RNG and ethanol sales. During an earnings call, company officials highlighted ongoing improvement projects and the impact of 45Z credits.

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Par Pacific Holdings released third quarter financial results on Nov. 4, reporting that its production at its Hawaii renewable fuels facility ramped significantly during the period. The biorefinery commenced operations in April.

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Representatives of the U.S. biofuels industry on Nov. 4 urged the U.S. EPA to follow through with its proposal to reallocate 770 million RINs waived through recent small refinery exemptions (SREs) under the Renewable Fuel Standard.

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