ClearSign Technologies Corporation Announces First Boiler Burner Sale
Burner to be Installed in CA Market TULSA, Okla., February 14, 2023 -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader in industrial combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically reducing emissions, today announces the first sale of their fire tube boiler burner technology into