TULSA, Okla. - ClearSign Technologies Corporation (NASDAQ:CLIR), a $60 million market cap company known for its work in industrial combustion and sensing technologies, has received a $400,000 grant ...
TULSA, Okla. - ClearSign Technologies Corporation (NASDAQ:CLIR), a small-cap industrial technology company currently valued at $30.4 million, has received a purchase order for engineering and ...