Learn more about Energy Sources
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Landing PageSeptember 17, 2026The U.S. Department of Energy’s Alternative Fuels and Feedstocks Office (AFFO) enables research, development, and demonstration (RD&D) to accelerate technology commercialization for the production, storage, delivery and use of alternative fuels, fertilizers, chemicals, and feedstocks to enhance the security and reliability of energy networks and lower energy costs for Americans.Alternative Fuels and Feedstocks Office
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September 17, 2026The Department of Energy’s Alternative Fuels and Feedstocks Office held an informational webinar on the recently announced Accelerating Scale-up and Pre-piloting of Emerging Chemical Technologies (ASPECT) funding opportunity on Friday, September 11, 2026, at 1:00 p.m. ET. The funding opportunity provides up to $58 million to fund research, development, and pre-pilot testing of innovative chemical technologies that use alternative and waste feedstocks and accelerate domestic chemical manufacturing.Alternative Fuels and Feedstocks Office
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PageSeptember 2, 2026What is biomass? Where does it come from? How are biofuels made? What is bioenergy? Browse through our informational resources to learn more.Alternative Fuels and Feedstocks Office
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August 4, 2026The U.S. Department of Energy’s Office of Environmental Management recently highlighted its American Energy Hubs, an initiative that is transforming former Manhattan Project and Cold War sites into engines for innovation, affordable energy production, advanced manufacturing, and economic growth.Office of Environmental Management
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July 27, 2026The interactive map above highlights biorefinery projects funded by the Bioenergy Technologies Office at pilot, demonstration, and pioneer scales.Alternative Fuels and Feedstocks Office
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June 23, 2026The U.S. Department of Energy's Alternative Fuels and Feedstocks Office (AFFO) will hold its 2027 Peer Review Meeting during the week of April 19, 2027, in Arlington, Virginia.Alternative Fuels and Feedstocks Office
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Press ReleaseJune 17, 2026The U.S. Department of Energy's Alternative Fuels and Feedstocks Office (AFFO) will hold its 2027 Peer Review Meeting the week of April 19, 2027. The event will be hosted in Arlington, Virginia.Alternative Fuels and Feedstocks Office
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June 16, 2026Systems Development and Integration (SDI) technologies research and development (R&D) is focused on lowering the risk of bioenergy production technologies through verified proof of performance at the pre-pilot, pilot, and demonstration-scales, thereby facilitating further development and validation at demonstration and pioneer scales by private stakeholders.Alternative Fuels and Feedstocks Office
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June 16, 2026Bioenergy is a form of energy that works by converting organic materials, known as biomass, into usable energy. Bioenergy technologies enable the reuse of carbon from biomass and waste streams into alternative fuels, chemicals, and other products.Alternative Fuels and Feedstocks Office
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PageJune 2, 2026Biopower technologies convert renewable biomass fuels into heat and electricity using processes similar to those used with fossil fuels.Alternative Fuels and Feedstocks Office