SEATTLE, February 2, 2021 – 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, has received a purchase order from a global refining company to design, fabricate and supply the Company’s ClearSign Core™ process burner

Project is Final Step to Validate ClearSign Core™ Burner Technology   SEATTLE, June 15, 2020 – 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, has received a purchase order from ExxonMobil to fabricate and