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ClearSign Reports Successful Sub 5ppm Department of Energy/Small Business Innovation Research Flexible Fuel Burner Testing
Partnered with National Energy Technology Laboratory to Advance Flexible Fuel, Ultra-Low NOx Combustion for Industrial Operations TULSA, OK / ACCESS Newswire
About this update from Clearsign Technologies Corporation
[{"type":"text","content":"Partnered with National Energy Technology Laboratory to Advance Flexible Fuel, Ultra-Low NOx Combustion for Industrial Operations TULSA, OK / ACCESS Newswire / March 11, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) (\"ClearSign\" or the \"Company\"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and safety, and support the use of cleaner fuels including hydrogen, announces today that, in conjunction with the U.S. Department of Energy's (\"DOE\") National Energy Technology Laboratory (\"NETL\"), under its Small Business Innovation Research (\"SBIR\") program, it has successfully completed the testing of its ClearSign Core™ Flexible Fuel, 100% Hydrogen Capable process burner branded as ClearSign Core™ 2.\"We are very pleased to publicly report the success of this flexible fuel burner development project,\" said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. \"We are thankful for the SBIR program funding that allowed us to develop and demonstrate a technology designed to meet the real-world needs of U.S. refineries and chemical processing facilities. This technology enables compliant and cost-effective use of fuels ranging from 100% hydrogen, the full gamut of petrochemical and refinery hydrocarbon fuel gas blends, and natural gas in industrial heating operations. We believe that these ultra-low NOx results and ease of use are unmatched by any other burner that we know of in the market.\"Many industrial operators in these industries currently have access to a variety of opportunity fuels or specific gas compositions that traditionally require extremely costly heater modifications to meet regulatory nitrogen oxide (\"NOx\") emission limits in place to help protect air quality and respiratory health.ClearSign's \"Flexible Fuel Ultra-Low NOx Process Burner\" project, which is nearing its scheduled completion and marking a significant 2.5-year effort, resolves this issue by facilitating fuel flexibility without compromising emissions compliance with the simple replacement of burner technology. This innovative technology allows industrial facilities to enhance operational flexibility, reduce costs associated with fuel procurement and regulatory emissions compliance, and reduce disruptions to operations - all of which may pro...