ClearSign Technologies Corporation Announces Multi Heater Project for Major National Refiner
Project Comprised of 16 ClearSign Core™ Process Burners in Two Heaters SEATTLE, November 18, 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, today announced that it has received a purchase order