ClearSign Technologies Corporation (CLIR) announced a burner sale from its horizontally fired process burner product range. This is the company's largest boiler burner sale to date. The burner was sold for about 90 million BTU/hr , almost twice the size of its previous greatest single burner. This sale allows the company to demonstrate items built for the small, medium and big size ranges in the field. The company plans to deliver the burner in the third quarter of 2024. In partnership with another heater p ...