TULSA, Okla., April 24, 2024 /PRNewswire/ -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader in industrial combustion and sensing technologies that improve energy and operational efficiency, and safety while dramatically reducing emissions, today announces that David Maley has been appointed to its Board of Directors (the "Board") to fill the independent director vacancy in the Board and to the Board's Audit & Risk Committee. David Maley brings forty year ...