ClearSign’s SVP of Engineering Joe Colannino details how ClearSign’s Duplex™ technology is deployed in a once-through steam generator (OTSG) to reduce nitrogen oxides (NOx) and carbon monoxide (CO) emissions in the latest issue of E&P Magazine. READ MORE

ClearSign today announced the conclusion of experimental permit status for its first Once Through Steam Generator (OTSG) project provided to Aera Energy, and application for a permanent operating permit. READ MORE

ClearSign announced that it has secured a follow-on commercial order from a California-based refinery following Duplex™ technology’s successful pilot with the company late last year. This is the first installation into a new heater rather than a retrofit into a heater with an existing burner. READ MORE

Written by Dr. Roberto Ruiz and Dr. Donald Kendrick, Oil & Gas Journal published a ClearSign whitepaper regarding Duplex’s application results with a Californian refinery. The project secured NOx emissions less than or equal to 6 parts per million (ppm). READ MORE