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Clearsign Technologies Corp Stock Price, News & Analysis

CLIR Nasdaq

Welcome to our dedicated page for Clearsign Technologies news (Ticker: CLIR), a resource for investors and traders seeking the latest updates and insights on Clearsign Technologies stock.

ClearSign Technologies Corp (Nasdaq: CLIR) delivers innovative combustion solutions that reduce industrial emissions while improving energy efficiency. This news hub provides investors and industry professionals with essential updates about the company's patented technologies, strategic partnerships, and environmental compliance milestones.

Access authoritative reporting on CLIR's developments in ultra-low NOx burners, hydrogen-compatible systems, and sensor technologies. Our curated collection helps stakeholders track progress in industrial decarbonization and operational safety enhancements.

Find verified information about:

• Product innovations like ClearSign Core™ combustion systems
• Strategic collaborations with engineering leaders
• Regulatory achievements in emissions compliance
• Industry recognition for clean technology advancements

Bookmark this page for ongoing updates about ClearSign's role in enabling sustainable industrial operations through cutting-edge combustion solutions. Check regularly for new developments in hydrogen-ready technologies and emissions control systems.

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ClearSign Technologies (Nasdaq: CLIR) has secured a purchase order for their new ClearSign Core™ M1 process burner through heater manufacturer Devco Process Heaters. The burner will be installed in a new hot oil heater at a gas processing facility in Colorado, with delivery expected in Q2 2025.

This marks the second installation of the 'M' series technology in the midstream market, for which it was initially designed. The company reports receiving multiple quotation requests following the successful demonstration of their first installation, which showed superior NOx reduction and improved efficiency. ClearSign indicates potential expansion of the burner series' applications to include boilers and other process heaters.

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ClearSign Technologies (Nasdaq: CLIR) has successfully installed and demonstrated its new ClearSign Core™ M1 burner technology at a global chemical company's Texas Gulf coast facility. The innovative technology has achieved remarkable performance metrics:

The burner demonstrated sub 2ppm NOx emissions with under 15% excess air, resulting in approximately 3% efficiency improvement compared to other sub 10ppm NOx burners in the market. This breakthrough originated from reimagining fuel, air, and flue gases flow paths within the burner through computational fluid dynamics modeling.

The technology was installed in a horizontally fired process heater built by Tulsa Heaters Midstream and will remain in commercial operation. While initially designed for the horizontal fired market, the company believes this advanced technology is suitable for other applications, including boilers.

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ClearSign Technologies (Nasdaq: CLIR) has secured a purchase order for a flare retrofit from a returning energy company customer in California, following the completion of an engineering order. The flare will be installed at a production facility in the San Joaquin Valley. The equipment is scheduled for fabrication and shipment in Q2 2025.

The company's CEO, Jim Deller, highlighted this order as an indicator of growing opportunities for ClearSign's emissions reduction technologies. Their flaring products and enclosed combustors provide solutions for clean disposal of unusable hydrocarbons, with increasing interest observed in upstream production applications and biofuel sectors.

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ClearSign Technologies (Nasdaq: CLIR) has announced the upcoming installation of four ClearSign Eye sensors at a supermajor refinery on the U.S. Gulf Coast. This marks the first commercial trial installation of these sensors in an operating facility.

The ClearSign Eye sensors are designed to detect functioning burner pilots without being inserted directly into the flame, unlike conventional equipment. According to CEO Jim Deller, this provides a more durable and reliable flame detecting solution that can deliver significant value to customers.

Following an extensive technical review by the refinery operator, the sensors are scheduled to be installed on each burner of a multi-burner process heater during the second quarter of 2025. ClearSign Technologies positions itself as an emerging leader in industrial combustion and sensing technologies supporting decarbonization, operational efficiency, and emissions reduction.

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ClearSign Technologies (Nasdaq: CLIR) has been awarded a $400,000 grant from the U.S. Department of Energy's EERE Industrial Efficiency and Decarbonization Office. The grant, in collaboration with a major national laboratory, will support the development of ClearSign's ultra-low NOx industrial hydrogen burner technology.

The project, led by Senior Research Scientist Dr. Robert Geiger, focuses on developing innovative computer modeling techniques to optimize industrial furnaces and combustion equipment for 100% hydrogen fuel usage. The initiative will utilize high-performance computing (HPC) to simulate and optimize hydrogen burner designs, aiming to accelerate development timelines while minimizing costs.

The technology is expected to support industrial decarbonization efforts with potential greenhouse gas emissions reduction of up to 276 million metric tons annually. The project will address key challenges including flame positioning, fuel-air mixing, and heat flux optimization to facilitate large-scale hydrogen adoption in industrial furnaces.

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ClearSign Technologies (Nasdaq: CLIR) and Zeeco announce the launch of a co-branded process burner product line featuring ClearSign Core technology. The new burners can operate on both 100% natural gas and 100% hydrogen while maintaining sub 5 ppm NOx emissions to meet strict regulations.

The collaboration, which began in 2020, has involved Zeeco providing its Global Technology Center for research, development, testing, and manufacturing. Both companies' sales teams will now market the ZEECO®-ClearSign process burner product lines, combining ClearSign's emission control capabilities with Zeeco's global market presence, sales resources, and manufacturing capabilities.

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ClearSign Technologies (Nasdaq: CLIR) has successfully regained compliance with Nasdaq's minimum bid price requirement. The company, which specializes in industrial combustion and sensing technologies for decarbonization, received confirmation from Nasdaq's Listing Qualifications Department on December 6, 2024. This follows a notice of non-compliance issued on May 2, 2024, when CLIR failed to maintain the required $1.00 minimum bid price over 30 consecutive business days. The company achieved compliance by maintaining a closing bid price above $1.00 for 10 consecutive business days, concluding on December 5, 2024. As a result, CLIR's common stock will continue to be listed on Nasdaq.

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ClearSign Technologies (Nasdaq: CLIR) has received a purchase order from Rogue Combustion, a subsidiary of California Boiler, for a boiler burner to be used in their rental fleet. The ultra-low NOx boiler burner is expected to be fabricated and shipped in the second quarter of 2025 for installation in a new rental boiler.

The company highlights that rental boilers provide immediate solutions for customers in urgent situations or during planning of permanent installations. They also serve as demonstration units, allowing customers to gain experience with ClearSign's equipment, potentially leading to sales, as demonstrated by a recent order announced on November 12 following a rental deployment.

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ClearSign Technologies (Nasdaq: CLIR) has received a follow-on purchase order for 26 ClearSign Core™ burners from Birwelco USA Inc. This order, the largest in ClearSign's history, is for retrofitting four process heaters at a Fortune 500 global chemical company's Gulf Coast facility in Texas. The project, which began with an engineering order in July, will implement flex fuel hydrogen capable burner technology. Final delivery of the burners is expected in early second half of 2025.

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ClearSign Technologies (Nasdaq: CLIR) reported record quarterly revenue of $1.85 million in Q3 2024, compared to $85,000 in Q3 2023. The significant increase was primarily driven by shipping 20 process burners to a California refinery customer. The company secured multiple new orders, including a flare retrofit project in California, burner orders for power generation customers in Oklahoma and Missouri, and a 26-burner retrofit project for a Texas petrochemical facility. Cash and cash equivalents stood at $14.5 million as of September 30, 2024, with 50,234,407 shares outstanding.

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FAQ

What is the current stock price of Clearsign Technologies (CLIR)?

The current stock price of Clearsign Technologies (CLIR) is $0.8957 as of November 6, 2025.

What is the market cap of Clearsign Technologies (CLIR)?

The market cap of Clearsign Technologies (CLIR) is approximately 48.0M.
Clearsign Technologies Corp

Nasdaq:CLIR

CLIR Rankings

CLIR Stock Data

48.03M
41.07M
5.56%
24.74%
0.41%
Pollution & Treatment Controls
Industrial Instruments for Measurement, Display, and Control
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United States
TULSA