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ClearSign and Kern Energy Selected for U.S. Department of Energy Industrial Technology Validation Program

Project to demonstrate ClearSign Core™ Gen 2 Flex Fuel Process Burner designed to reduce emissions and energy costs at Kern Energy’s facility. TULSA, Okla., September 30, 2026 – ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and

2026-09-29T19:30:29+00:00September 30th, 2026|Homepage News, Investor News, Partnerships, Press Releases|
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ClearSign to Present at The Water Tower Research Insights Conference on September 23, 2026

Company to Present on Tuesday, September 23rd at 9:30am ET TULSA, OK / ACCESS Newswire / September 22, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced

2026-09-22T18:16:04+00:00September 22nd, 2026|Investor News, Press Releases|
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ClearSign Technologies Corporation to Present at H.C. Wainwright 28th Annual Global Investment Conference

Company to Present on Tuesday, September 15th at 3:30pm ET TULSA, Okla., September 10, 2026 -- ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced today that Chief Executive

2026-09-10T13:17:59+00:00September 10th, 2026|Investor News, Press Releases|
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ClearSign Technologies Corporation Provides Second Quarter 2026 Update

TULSA, Okla., August 19, 2026 – ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today provides an update on operations for the second quarter ended June 30, 2026.

2026-08-20T15:45:49+00:00August 20th, 2026|Investor News, Press Releases|
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ClearSign Board of Directors Appoints Former ExxonMobil Global Technology Leader Larry Saddler

TULSA, OK / ACCESS Newswire / August 11, 2026 / ClearSign Technologies Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that industry veteran Larry Saddler has been appointed to fill the vacant

2026-08-11T13:11:05+00:00August 11th, 2026|Investor News, Press Releases|
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ClearSign Technologies Corporation Announces Second Quarter 2026 Conference Call

 Hosting Call at 5pm ET on Wednesday, August 19th Tulsa, OK., August 5, 2026–ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, announces that on Wednesday, August 19th, 2026, the Company

2026-08-19T21:08:02+00:00August 5th, 2026|Investor News, Press Releases|
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ClearSign Receives Order for “M1” Series Burner from Tulsa Heaters Midstream (THM)

Third Burner Sold by THM for same West Texas customer TULSA, Okla., July 28, 2026 – ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it

2026-07-30T14:07:56+00:00July 28th, 2026|Homepage News, Investor News, Press Releases|
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ClearSign Receives Order for Three “M1” Series Burners

Burners to be installed at Fortune 500 West Texas Midstream Facility TULSA, Okla., July 1, 2026 – ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announced that

2026-07-01T13:46:50+00:00July 1st, 2026|Homepage News, Investor News, Press Releases|
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ClearSign Receives Additional “M1” Series Burner Order for Second Midstream Heater in West Texas

Burner Sold by Heater Manufacturer Tulsa Heaters Midstream TULSA, Okla., June 16, 2026 – ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it has received

2026-06-15T21:08:44+00:00June 16th, 2026|Homepage News, Investor News, Press Releases|
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ClearSign Technologies Corporation Prices Underwritten Public Offering of Common Stock

TULSA, OK / ACCESS Newswire / May 29, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces the pricing of an underwritten public offering with primarily existing stockholders of

2026-05-29T13:38:00+00:00May 29th, 2026|Investor News, Press Releases|
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