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EPA proposes to repeal 2009 Endangerment Finding, vehicle emission standards

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By Erin Krueger

July 29, 2025

Policy 

The U.S. EPA on July 29 released a proposed rule to repeal the agency’s 2009 Endangerment Finding, which forms the legal basis for the agency’s GHG regulations. The proposal also aims to repeal all GHG regulations for motor vehicles and engines.

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Chevron Lummus Global announced a successful commercial test for coprocessing biogenic feedstocks and fossil feedstocks at INA Group's Rijeka Refinery in Croatia. SAF and renewable diesel were produced during the test.

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Phillips 66 on July 25 released Q2 financial results, reporting the company’s Rodeo Renewable Energy Complex in California continues to run at reduced rates due to market conditions. Pre-tax income for the renewables segment was up when compared to Q1.

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ATOBA Energy and Air Moana are partnering to implement scalable solutions for the supply of SAF. The collaboration aims to ensure long-term SAF availability while supporting local initiatives to develop sustainable fuel production in Tahiti.

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While final IRS guidance is still pending, the foundation of the 45Z program is well defined. Clean fuel producers should no longer be waiting; they can now move forward with critical planning and preparation, according to EcoEngineers.

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The USGC recently sponsored South Korea SAF experts to tour the U.S. alcohol-to-jet Fuel (ATJ) technology supply chain. Participants met with stakeholders ranging from low-CI corn farmers to ATJ SAF production technology companies and airlines.

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Neste Corp. on July 24 released second quarter results, reporting record quarterly renewable product sales volumes despite weaker margins. SAF sales were up nearly 80% when compared to the first quarter of 2025.

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Valero Energy Corp. on July 24 released second quarter results, reporting a profitable three-month period for its ethanol segment. The renewable diesel segment posted a loss, but the company’s new sustainable aviation fuel (SAF) unit operated well.

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The IRS on July 21 published a notice announcing the 2025 calendar-year inflation adjustment factor for the Section 45Z clen fuel production credit. The resulting adjustment boosts maximum the value of the credit by approximately 6%.

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The U.S. Senate on July 23 voted 48 to 47 to confirm the appointment of Aaron Szabo to serve as assistant administrator of the U.S. EPA’s Office of Air and Radiation. Biofuel groups are congratulating him on his appointment.

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Moeve (formerly Cepsa) and Zaffra, a joint venture between Sasol and Topsoe, has signed an MOU that will see the Spanish energy firm and the Amsterdam based e-SAF developer take a step forward to advance European aviation fuel decarbonization.

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U.S. Secretary of Agriculture Brooke L. Rollins on July 24 announced the reorganization of the USDA, refocusing its core operations to better align with its founding mission of supporting American farming, ranching, and forestry.

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The U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy is soliciting public comments on a preliminary plan for determining provisional emissions rates (PER) for the purposes of the 45Z clean fuel production credit.

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President Donald Trump on July 22 announced new trade framework agreements with Indonesia and Japan. Both agreements are expected to benefit the U.S. agriculture industry, including farmers and ethanol producers.

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Par Pacific Holdings Inc., Mitsubishi Corp. and ENEOS Corp. on July 21 announced the signing of definitive agreements to establish Hawaii Renewables LLC, a joint venture to produce renewable fuels at Par Pacific’s refinery in Kapolei Hawaii.

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A new study published by the ABFA finds that the U.S. EPA’s proposal to cut the RIN by 50% for fuels made from foreign feedstocks, as part of its 2026 and 2027 RVOs, could stall the growth of the biomass-based diesel (BBD) industry.

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Reps. Mike Flood, R-Neb., and Troy A. Carter, Sr., D-La., on July 21 reintroduced the SAF Information Act. The bill directs the U.S. EIA to more explicitly include SAF data in its weekly and monthly reports.

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The U.K. Department for Transport on July 22 awarded £63 million ($82.22 million) to 17 sustainable aviation fuel (SAF) companies through the governments’ Advanced Fuels Fund. The funding is expected to support approximately 1,400 jobs.

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The U.S Department of Energy Bioenergy Technologies Office, in partnership with the Algae Foundation and NREL, on July 21 announced the grand champion and top four winning teams of the 2023 - 2025 U.S. DOE AlgaePrize Competition.

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Kintetsu World Express Inc. has signed an additional agreement with Hong Kong, China-based Cathay Pacific Airways for the use of sustainable aviation fuel (SAF). The agreement expands a three-year partnership between the two companies.

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On July 18, U.S. EPA announced a reduction in force (RIF) as the agency continues its comprehensive restructuring efforts. With organizational improvements, EPA is delivering $748.8 million in savings.

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Shell Aviation, Accenture, and Amex GBT on July 10 announced Avelia is in the process of evolving to an industry solution with independent data hosting and a multi-supplier model helping users access the GHG benefits of SAF.

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The U.S EPA on July 17 released data showing more than 1.9 billion RINs were generated under the RFS during June, down 11% when compared to the same month of last year. Total RIN generation for the first half of 2025 reached 11.17 billion.

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Avia Solutions Group, the world's largest ACMI (aircraft, crew, maintenance, and insurance) provider, has partnered with DHL Express to reduce greenhouse gas emissions from its international shipments using SAF.

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Velocys on July 16 announced it will supply its Fischer-Tropsch (FT) technology to an electrified biogas-to-SAF project under development in Uruguay by Syzygy Plasmonics. The proposed facility is expected to be operational in 2027.

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Bangkok Airways officially introduces SAF on commercial flights

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By Bangkok Airways Public Company Limited

July 16, 2025

Bangkok Airways Public Company Limited has officially announced the adoption of sustainable aviation fuel (SAF) on its commercial flights, reinforcing Thailand’s green aviation industry. The initiative took effect starting July 1, 2025.

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Avalon Energy Group LLC and Sulzer Chemtech have signed a strategic alliance and partnership agreement to scale up the production of SAF. Under the agreement, Avalon has selected BioFlux technology for its portfolio of SAF projects.

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The USDA has announced it will delay opening the first quarterly grant application window for FY 2026 REAP funding. The agency cited both an application backlog and the need to disincentivize solar projects as reasons for the delay.

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Neste and DHL Express have strengthened their collaboration with the supply of 7,400 tons (9.5 million liters) of neat, i.e. unblended, Neste MY Sustainable Aviation Fuel to DHL Express at Singapore Changi Airport starting July 2025.

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CoBank’s latest quarterly research report, released July 10, highlights current uncertainty around the implementation of three biofuel policies, RFS RVOs, small refinery exemptions (SREs) and the 45Z clean fuels production tax credit.

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