The building and delivery of the new heater that will replace one of the two heaters that were damaged in the Feb.

ClearSign Technologies (NASDAQ:CLIR) gets a purchase order to complete the detailed engineering of burners for two process heaters in a California refinery. This refinery was an early customer and ...

The ClearSign Eye sensors are expected be installed on each burner of a multi burner process heater in a U.S. Gulf Coast refinery in the second quarter of this year. ClearSign Technologies ...