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Biofuel, biogas groups comment on new updates to proposed California LCFS amendments

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By Erin Voegele

April 23, 2025

Policy Business Feedstocks 

CARB on April 4 released a third set of proposed changes to the state’s LCFS. More than 80 public comments were filed ahead of an April 21 deadline, including those filed by representatives of the ethanol, biobased diesel and biogas industries.

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The USDA on April 14 announced the cancellation of its Partnerships for Climate-Smart Commodities program. Select projects that meet certain requirements may continue under a new Advancing Markets for Producers initiative.

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Aemetis Inc. on April 8 announced that its production of renewable natural gas (RNG) increased 55% in March compared to February. Aemetis Biogas also completed a sale of LCFS and D3 RINs at the end of Q1.

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Gevo Inc. CEO Patrick Gruber discussed the company’s proposed sustainable aviation fuel (SAF) project in South Dakota during a fourth quarter earnings call, held March 27, indicating financial close could be achieved by year-end.

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The 2025 International Biomass Conference & Expo, held March 18-20 in Atlanta Georgia, featured of insightful discussions, cutting-edge technology showcases, and unparalleled networking opportunities.

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Aemetis Inc. released fourth quarter and full year 2024 financial results on March 13, reporting increased revenues for its U.S. ethanol and biogas operations as well as its biodiesel operations in India.

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Aemetis Inc. on Jan. 13 announced the receipt of $11 million from the sale of IRA investment tax credits generated by a solar electricity generation project at the Keyes ethanol plant and two dairy biogas digesters built as Aemetis Biogas projects.

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Aemetis Inc., a renewable natural gas and renewable fuels company, announced on Jan. 7 that its Aemetis Biogas subsidiary commissioned three new dairy digesters in December 2024, increasing from nine to a total of 12 operating digesters.

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The U.S. EPA on Dec. 19 released data showing that 2.03 billion RINs were generated under the RFS in November, up from 2.01 billion generated during the same month of 2023. Nearly 22.9 billion RINs were generated during the first 11 months of 2024.

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Aemetis Inc announced on Dec. 17 that its operating ethanol and renewable natural gas (RNG) facilities have received approval from the IRS for Excise Tax Registration for Section 45Z Production Tax Credits (PTCs).

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Biomass Magazine has released the agenda for the 18th Annual International Biomass Conference & Expo. The event will be held March 18-20 in Atlanta, Georgia, and features tracks focused on pellets, biomass power and thermal, biogas and RNG, and SAF.

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The White House OMB on Dec. 13 published the Fall 2024 Unified Agenda and Regulatory Plan, which outlines regulatory actions under development by federal agencies related to the RFS, biofuel infrastructure and CO2 pipeline safety.

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Aemetis Inc. announced on Dec. 10 that its Aemetis Biogas subsidiary started producing renewable natural gas (RNG) from its tenth anaerobic digester built to process waste from a dairy in Stanislaus County, California.

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The latest issue of Ethanol Producer Magazine addresses crop science, yeast engineering, sustainable aviation fuel (SAF) and the coproduction of ethanol and renewable natural gas (RNG).

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The U.S. EPA on Dec. 5 issued a proposed rule to partially waive the compliance year 2024 RVO for cellulosic biofuel. The rulemaking also proposes to extend the 2024 RFS compliance deadline and revise certain RFS biogas regulations.

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Germany-based Verbio overcomes challenges in applying its novel ethanol and RNG coproduction process in the U.S.

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CARB votes to adopt LCFS updates

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By Erin Voegele

November 12, 2024

CARB on Nov. 8 approved updates to its LCFS that aim to reduce the CI of the state’s transportation fuel by 30% by 2030. The updates also alter how a variety of biofuels, including biobased diesel and RNG, participate in the program.

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Gevo Inc. released Q3 financial results on Nov. 7, discussing the impact of the conditional commitment for its DOE loan guarantee and confirming the company’s acquisition of Red Trail Energy remains on track to close in early 2025.

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Aemetis Inc. on Nov. 5 announced strong support for the updated Low Carbon Fuel Standard proposal and strongly urges its adoption by the California Air Resources Board at its meeting on Nov. 8.

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The call for presentation abstracts for the 18th Annual International Biomass Conference & Expo, produced by Biomass Magazine, is now open. The event will take place March 18-20, 2025, at the Cobb Galleria Centre in Atlanta, Georgia.

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The USDA’s Rural Business-Cooperative Service on Oct. 16 issued a notice of funding opportunity (NOFO) for the Rural Energy for America Program. The notice applies to fiscal year (FY) 2025, 2026 and 2027 awards.

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Aemetis Inc. on Oct. 3 announced that its Aemetis Biogas subsidiary has completed initial construction of a multi-dairy anaerobic digester to process waste from approximately 14,000 dairy cows in Merced County, California.

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The U.S. Department of Treasury and Internal Revenue Service on Sept. 18 released proposed regulations to provide guidance for the Section 30C Alternative Fuel Vehicle Refueling Property Credit.

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Gevo Inc. has announced the sale of approximately $20 million in investment tax credits to an undisclosed corporate buyer. This transaction monetizes IRA investment tax credits generated from the commercialization of an RNG production facility.

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Aemetis Inc., a renewable natural gas and renewable fuels company focused on low and negative carbon intensity products that replace fossil fuels, on Aug. 1 announced Q2 2024 revenues were up 48% when compared to the same period of 2023.

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Verbio has commenced the commercial production of corn-based ethanol at its 60 MMgy biorefinery facility in Nevada, Iowa. The facility also has the capacity to produce 2.3 million MMbtu of RNG.

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Green Impact Partners Inc. has finalized the carbon credit pathways under the Alberta Technology Innovation and Emissions Reduction program for its flagship project, the Future Energy Park, to be located in Calgary, Alberta.

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American Farm Bureau Federation, National Corn Growers Association, Biotechnology Innovation Organization, American Soybean Association, and American Biogas Council are among more than 500 organizations calling for the passage of a new Farm Bill.

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Gevo Inc. announced on July 15 that its renewable natural gas (RNG) business achieved an annualized production rate of approximately 402,000 MMBtu in May, exceeding the previous record, which was set in March.

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Aemetis Inc. on June 26 announced that its Aemetis Biogas subsidiary completed a key milestone of constructing and operating dairy digesters with a capacity to produce more than 300,000 MMBtu of renewable natural gas (RNG) per year.

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