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ASTM approves updated heating oil specification to include biodiesel blends up to B50

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By Clean Fuels Alliance America

April 22, 2026

Thermal Business Advanced Biofuels 

Clean Fuels Alliance America welcomes the approval of the latest revision to ASTM D396, the standard specification for fuel oils, which now includes new grades for biodiesel blends containing 21% to 50% biodiesel by volume (B21-B50).

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Topsoe has been selected by Abundia Global Impact Group to deliver its HydroFlex technology for multiple plastic waste-to-fuel facilities in North America that will produce chemical feedstock, diesel and SAF.

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The USDA has announced the launch of the USDA National Proving Grounds Network for AgTech (NPG-Ag), a nationwide initiative designed to rigorously evaluate agricultural technologies under real-world U.S. farming and ranching conditions.

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Researchers at the U.S. Forest Service’s Southern Research Station and Louisiana State University have published a paper that investigates how the European Union Deforestation Regulations could alter global wood pellet trade patterns.

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A 2025 annual report published by Egypt-based petrochemicals company Echem details progress on the development of a $570 million sustainable aviation fuel (SAF) facility and $193 million ethanol plant.

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The M.V. Ultra Yorkshire, a Handymax carrier, which was launched and named as part of Drax Power Station’s 50th anniversary celebrations, docked for the first time in the U.K. The vessel is operated by Ultrabulk.

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Nippon Express Co. Ltd. and announced an agreement with Nikon Corp. for the provision of air cargo transport services utilizing SAF the goal being to help reduce Nikon's Scope 3 CO2 emissions by utilizing the NX Group's "NX-GREEN SAF Program."

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U.S. EPA Administrator Lee Zeldin on April 17 announced the selection of new members to the Science Advisory Board, which consists of a chair and 36 members. Three of the selected members will also serve on the SAB Agricultural Sciences Committee.

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The U.S. EPA has approved a fuel pathway filed by Summit Next Gen LLC for the production of renewable diesel and SAF from undenatured sugarcane ethanol. The pathway was approved on Jan. 6 and publicly released by the agency on April 20.

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XCF Global Inc. and DevvStream Corp., as part of their previously announced agreement with Southern Energy Renewables Inc., have announced plans to explore development of a platform designed to generate, verify, and market 45Z credits.

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Gevo, an advanced biofuels company based in Colorado, has licensed two patented catalyst technologies from the U.S. Department of Energy’s Oak Ridge National Laboratory for use in the production of sustainable aviation fuel (SAF).

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EcoCeres Inc. has launched a pilot with GDS Holdings Ltd to use hydrotreated vegetable oil (HVO), also known as renewable diesel, as a low carbon replacement for conventional diesel in data center backup power.

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Southern Energy Renewables Inc. and Axens on April 7 announced the companies have signed a MOU to collaborate on the development of SAF and related fuel projects, with an initial focus on Southern's planned biomass to fuel facility in Louisiana.

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Nearly 1.93 billion RINs were generated under the RFS in March, up 1% when compared to March 2025, according to data released by the U.S. EPA on April 16. Total RIN generation for the first three months of the year reached nearly 4.9 billion.

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The U.S. EPA on April 16 published data showing no new small refinery exemption (SRE) petitions have been filed under the Renewable Fuel Standard in the past month. A total of 37 SRE petitions are currently pending.

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XCF Global Inc. and DevvStream Corp. on April 14 announced the execution of a definitive business combination agreement with Southern Energy Renewables Inc., an important milestone in the parties’ previously announced SAF initiative.

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The global maritime industry's transition away from heavy fuel oil is no longer a question of if but of when — and with what fuels. The U.S. biofuels industry is exceptionally well-positioned to serve this transition in the near to medium term.

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President Donald Trump on April 13 signed the Small Business Innovation and Economic Security Act. The legislation reauthorizes the Small Business Innovation Research (SBIR) and Small Technology Transfer (STTR) programs.

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CoBank on April 8 released its latest quarterly research report, highlighting improved regulatory clarity for the biofuel industry with the release of the Renewable Fuel Standard “Set2” rule, which set 2026 and 2027 RFS RVOs.

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XCF Global Inc. on April 9 announced that it has entered into a binding term sheet with BGN INT US LLC to explore developing a global distribution and logistics partnership for SAF, renewable diesel and renewable naphtha.

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Sagepoint Energy and its subsidiary, Sagepoint Logistics, on April 14 announced the acquisition of 60 heavy-duty renewable natural gas (RNG) freightliner trucks powered by the Cummins X15N engine.

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The DHL Group on April 14 announced a major expansion of its SAF collaboration with IAG Cargo. The new five-year agreement, together with a previous 2025 renewal, will enable approximately 240 million liters of SAF uplifted at Heathrow Airport.

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A new independent study commissioned by NATSO, SIGMA and NACS finds that the 40A Biodiesel Blenders' Tax Credit delivers significantly more value across the biofuel supply chain than its replacement, the 45Z Clean Fuel Production Credit.

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Valkyrie Analytics Inc., an analytics company specializing in real-time monitoring and optimization of anaerobic digesters, has received a $3 million seed stage investment. The milestone allows Valkyrie to re-launch as Nirova LLC.

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XCF Global Inc. on April 9 announced that the conversion of its New Rise Renewables Reno plant remains on schedule. The company currently expects the SAF facility could begin commissioning in early June.

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Reps. Michelle Fischbach, R-Minn., and Nikki Budzinski, D-Ill., on March 27 introduced the Biobased Materials Investment and Production Act, which aims to create tax incentives to support the production of biobased chemicals and materials.

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The London Laurel County Economic Development Authority, Ecostrat and the BDO Zone Initiative have issued a BDO Zone ‘A’ Rating for Laurel County, Kentucky. The BDO Zone is rated for 342,000 bone dry tons per year of low-risk woody biomass .

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On April 7, U.S. Department of Agriculture Rural Development Montana State Director Bill Warden announced the agency is investing in the future of Montana’s biofuel industry through Beaverhead Tourism Council in Dillon, Montana.

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On March 31, the USDA Forest Service announced it will move its headquarters to Salt Lake City, Utah, and begin a sweeping restructuring of the agency to move leadership closer to the forests and communities it serves.

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Metafuels’ Dutch subsidiary, Metafuels Nederland B.V., has been awarded a €1.92 million grant to support the the continued development of its Turbe synthetic sustainable aviation fuel (e-SAF) project in the Port of Rotterdam.

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