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Hyliion Receives EPA Confirmation on KARNO™ Power Module Regulatory Pathway

AUSTIN, Texas, September 16, 2025--Hyliion Holdings Corp. (NYSE American: HYLN), a developer of innovative electricity-producing technology, today announced that the United States Environmental Protection Agency (EPA) has issued a determination confirming that Hyliion’s KARNO™ Power Module is not regulated as an internal combustion engine under existing federal law and regulations. Instead, the KARNO Power Module will primarily be subject to local air permitting requirements applicable to power

articleHyliion Holdings Corp.September 16, 20255/company/hyliion-holdings-corp/news/hyliion-receives-epa-confirmation-on-karnotm-power-module-regulatory-pathway
Hyliion Receives EPA Confirmation on KARNO™ Power Module Regulatory Pathway

About this update from Hyliion Holdings Corp.

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Power ModuleHyliion Holdings Corp.United States Environmental Protection AgencyThomas HealyKARNOinnovative technologyEPAdata centers