ClearSign Technologies Corporation Provides Second Quarter 2021 Update
SEATTLE, September 8, 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 provides an update on operations for the second quarter ended on June 30, 2021. “This last quarter has been