 SEATTLE, Oct. 18, 2021 PRNewswire -- 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 hiring of Brent Hinds as VP and Controller, and his appointment by the board of ClearSign as the Companys principal accounting officer and treasurer. I am happy to announce Brents hiring for this integral role at ClearSign, said Jim Deller, Ph.D. 