All Knowledge & Insights By Date

The Clean Air Act (CAA) requires the U.S. Environmental Protection Agency (EPA) to determine the applicable volume requirements for the Renewable Fuel Standard (RFS) for years after those specified in the statute. On June 17, 2025, EPA proposed the applicable volumes and percentage standards for 2026 and 2027 for cellulosic biofuel, biomass-based diesel (BBD), advanced biofuel, and total renewable fuel. 90 Fed. Reg. 25784. EPA notes that the proposed rule also includes a number of regulatory...

On May 30, 2025, the U.S. Department of Energy (DOE) Bioenergy Technologies Office (BETO) announced that it “removed barriers to domestic bioenergy production by updating its 45ZCF-GREET modeling tool to account for new feedstocks and methods of production, including ethanol from corn wet-milling and natural gas from coal-mine methane.” According to BETO, these measures will allow a wider range of farmers and companies to do business in the alternative fuels market. BETO notes that the U.S....

The U.S. Environmental Protection Agency (EPA) announced on April 28, 2025, that it has issued an emergency fuel waiver allowing the sale of gasoline blended with 15 percent ethanol (E15) nationwide in summer 2025. EPA notes that this is consistent with President Trump’s Executive Order (EO) Declaring a National Energy Emergency, directing EPA to consider issuing emergency waivers to allow for year-round E15 sales. According to EPA, currently, in about half of the country, E15 cannot be sold...

On March 31, 2025, the U.S. Department of Agriculture (USDA) announced that it will release obligated funding under the Higher Blends Infrastructure Incentive Program (HBIIP) for 543 projects totaling $537 million in 29 states. According to the press release, USDA is “aggressively exploring additional ways to unleash American energy and incentivize the production and use of homegrown U.S. biofuels, including working alongside the Environmental Protection Agency (EPA) to develop Renewable...

The U.S. Environmental Protection Agency (EPA) issued a final rule on March 14, 2025, extending the Renewable Fuel Standard (RFS) compliance reporting deadline for the 2024 compliance year. 90 Fed. Reg. 12109. As reported in our January 8, 2025, blog item, EPA published a proposed rule on December 12, 2024, that would partially waive the 2024 cellulosic biofuel volume requirement and revise the associated percentage standard under the RFS program due to a shortfall in cellulosic biofuel...

On January 16, 2025, Senators Jerry Moran (R-KS), Chuck Grassley (R-IA), Tammy Duckworth (D-IL), Pete Ricketts (R-NE), Amy Klobuchar (D-MN), and Joni Ernst (R-IA) reintroduced the Farm to Fly Act (S. 144), which would help accelerate the production and development of sustainable aviation fuel (SAF) through existing U.S. Department of Agriculture (USDA) programs to allow further growth for alternative fuels to be used in the aviation sector and create new markets for American farmers. According...

The U.S. Environmental Protection Agency (EPA) announced on January 21, 2025, the availability of a final document entitled “Biofuels and the Environment: Third Triennial Report to Congress” (Third Report). 90 Fed. Reg. 7135. The document was prepared by EPA’s Offices of Research and Development (ORD) and Air and Radiation (OAR), in consultation with the U.S. Departments of Agriculture (USDA) and Energy (DOE). The Third Report builds on the first and second triennial reports, released in...

On January 17, 2025, the Biden U.S. Department of Agriculture (USDA) issued an interim final rule with a request for comment that establishes technical guidelines for quantifying, reporting, and verifying the greenhouse gas (GHG) emissions associated with agricultural production of biofuel feedstock commodity crops grown in the United States in the context of environmental service markets. 90 Fed. Reg. 5497. The rule establishes guidelines for the reporting and verification of practices and...

The U.S. Environmental Protection Agency (EPA) published a proposed rule on December 12, 2024, that would partially waive the 2024 cellulosic biofuel volume requirement and revise the associated percentage standard under the Renewable Fuel Standard (RFS) program due to a shortfall in cellulosic biofuel production. 89 Fed. Reg. 100442. As a result of this proposed change, EPA proposes to extend the RFS compliance reporting deadline for the 2024 compliance year. According to the proposed rule, EPA...

The U.S. Department of Energy’s (DOE) Bioenergy Technologies Office (BETO) announced on December 16, 2024, its intent to fund research and development (R&D) projects in two priority areas, sustainable propane and renewable chemicals, and algal system cultivation and preprocessing: Sustainable Propane and Renewable Chemicals (SPARC) Funding Opportunity: According to BETO, producing chemicals and propane/liquid petroleum gas (LPG) from domestic renewable feedstock resources could help...

The U.S. Department of Agriculture (USDA) announced on October 29, 2024, that it is awarding $39 million in grants to U.S. business owners to increase the availability of domestic biofuels in 18 states and provide cleaner, more affordable fuel options. USDA will also make $200 million available through the new Biobased Market Access and Development Grants made possible by Commodity Credit Corporation (CCC) funds. According to USDA, the awards and funding are made possible through the Higher...

The U.S. Department of Agriculture (USDA) seeks public input on procedures for the quantification, reporting, and verification of the effect of climate-smart farming practices on the greenhouse gas (GHG) net emissions estimates associated with the production of domestic (i.e., grown in the United States) agricultural commodities used as biofuel feedstocks. 89 Fed. Reg. 53585. According to USDA’ s June 27, 2024, notice, agricultural management practices that mitigate GHG emissions and/or...

On April 10, 2024, the U.S. Department of Energy’s Bioenergy Technologies Office (BETO) and Office of Fossil Energy and Carbon Management (FECM) announced the MACRO: Mixed Algae Conversion Research Opportunity funding opportunity announcement (FOA). According to BETO, the FOA will award up to $18.8 million to address research and development (R&D) challenges in converting algae, such as seaweeds and other wet waste feedstocks, to biofuels and bioproducts that can decarbonize domestic...

The U.S. Environmental Protection Agency (EPA) announced on April 19, 2024, that it issued an emergency fuel waiver for E15 sales. EPA states that the waiver will help consumers protect themselves against fuel supply shocks by reducing reliance on imported fossil fuels while also supporting American agriculture and manufacturing. EPA notes that current estimates indicate that “on average, E15 is about $0.25 a gallon cheaper than E10.” According to EPA, in approximately two-thirds of the...

The U.S. Department of Energy (DOE) Bioenergy Technologies Office (BETO) and Oak Ridge National Laboratory (ORNL) will hold an informational webinar on April 16, 2024, on the recently released 2023 Billion-Ton Report (BT23), an assessment of renewable carbon resources potentially available in the United States. BETO notes that BT23 shows that the United States could sustainably triple its production of biomass to more than one billion tons per year and highlights the importance of diversifying...

On March 15, 2024, the U.S. Department of Energy (DOE) announced the release of the Bioenergy Technologies Office’s (BETO) 2023 Billion-Ton Report (BT23), the fourth in a series of assessments of potential biomass resources available in the United States. BT23 provides estimates of biomass resource potential in response to market demand scenarios. According to DOE, BT23 finds that one billion tons of biomass could satisfy more than 100 percent of the projected demand for airplane fuel in the...

The U.S. Environmental Protection Agency (EPA) will host a public webinar on April 4, 2024, to discuss the implementation of the Biogas Regulatory Reform Rule (BRRR) provisions promulgated as part of the Renewable Fuel Standard (RFS) final rule for 2023-2025 (the “Set Rule”). 89 Fed. Reg. 15988. EPA states that these regulatory provisions include registration and reporting and updated regulatory provisions for the production, distribution, and use of biogas as a renewable fuel. During the...

The U.S. Department of Energy’s (DOE) Bioenergy Technologies Office (BETO) and Office of Fossil Energy and Carbon Management (FECM) announced on February 13, 2024, their intent to issue funding to support research and development (R&D) projects for converting algae and other wet waste feedstocks to low-carbon fuels, chemicals, and agricultural products. DOE states that the intended Mixed Algae Conversion Research Opportunity (MACRO) funding would address gaps in the use of carbon dioxide...

The U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE) announced on February 22, 2024, the release of a Funding Opportunity Announcement (FOA), “Inflation Reduction Act Funding for Advanced Biofuels,” for up to $9.4 million for the development of advanced biofuels. According to EPA, the funding will support “high-impact biofuel technology projects to improve the performance and reduce the cost of biofuel production technologies, scale up production systems...

On December 14, 2023, the Treasury Department and the Internal Revenue Service (IRS) issued Notice 2024-06 for the new Sustainable Aviation Fuel (SAF) credit created by the Inflation Reduction Act of 2022 (IRA). According to the IRS’s December 15, 2023, press release, the SAF credit applies to a qualified fuel mixture containing SAF for certain sales or uses in calendar years 2023 and 2024. The SAF credit is $1.25 for each gallon of SAF in a qualified mixture. The IRS states that to qualify...