ClearSign Combustion Corporation ClearSign Combustion Corporation Announces Third Quarter 2017 Results Thu, 09 Nov 2017 16:15:00 -0500 ClearSign Combustion Corporation Third Quarter 2017 Conference Call Announcement Mon, 06 Nov 2017 08:00:00 -0500 ClearSign Texas Refinery Project Successfully Concludes Operational Testing Company's Duplex Plug and Play™ Product Attains Performance Goals Tue, 19 Sep 2017 08:00:00 -0400 California Regulator Approves Funding for ClearSign Demonstration with Major Refiner South Coast Air Quality Management District, Torrance Refinery, and ClearSign to Collaborate on Duplex™ as Low Emission Solution Wed, 06 Sep 2017 16:05:00 -0400 ClearSign Combustion Corporation to Present at the Midwest IDEAS Conference in Chicago on August 30th Thu, 17 Aug 2017 16:05:00 -0400