ClearSign Technologies Corporation Announces Order for Comprehensive Testing of 100% Hydrogen Capable Burner
Petrochemical Client Requesting Performance Mapping for Future Deployment TULSA, Okla., September 23, 2025 -- 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, today announces that it has