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Hyliion's KARNO Core Technology Successfully Completes Diesel Fuel Operation, Unlocking New Markets and Enhancing Energy Resiliency

AUSTIN, Texas, February 18, 2026--Hyliion Holdings Corp. (NYSE American: HYLN), a developer of sustainable electricity-producing technology, today announced the successful operation of its full KARNO™ Core system on diesel fuel. This achievement marks a significant milestone towards the commercialization of the KARNO solution, confirming its operational effectiveness on liquid fuel in addition to its previously validated portfolio of gaseous fuels. During operation at the company’s Cincinnati, O

articleHyliion Holdings Corp.February 18, 20265/company/hyliion-holdings-corp/news/hyliions-karno-core-technology-successfully-completes-diesel-fuel-operation-unlocking-new-markets-and-enhancing-energy-resiliency
Hyliion's KARNO Core Technology Successfully Completes Diesel Fuel Operation, Unlocking New Markets and Enhancing Energy Resiliency

About this update from Hyliion Holdings Corp.

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Hyliion Holdings Corp.KARNOgaseous fuelsThomas Healyfuel flexibilityliquid fueldiesel fuel