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Hyliion Confirms KARNO Power Module Can Achieve Emission Requirements Set By South Coast Air Quality Management District

Author: Benzinga Newsdesk | October 22, 2025 07:35am

Hyliion Holdings Corp. (NYSE American: HYLN), a developer of sustainable electricity-producing technology, today announced the successful results of internal emissions testing of its KARNO™ Power Module, marking a critical step towards full commercialization of the company's innovative distributed power solution.

The company's internal testing confirmed that the KARNO Power Module can meet the stringent emissions requirements set by the South Coast Air Quality Management District (SCAQMD) Rule 1110.3, one of the most rigorous air-quality standards in the United States. Operating on pipeline natural gas, the system achieved less than 2.5 parts per million (PPM) of nitrogen oxides (NOx) and low single-digit PPM levels of carbon monoxide (CO)—far below the 12 PPM CO limit. These results were achieved without any aftertreatment system or catalyst and are corrected for 15% oxygen.

Posted In: HYLN

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