AUSTIN, Texas–(BUSINESS WIRE)–Hyliion Holdings Corp. (NYSE American: HYLN) (“Hyliion”), a developer of modular power plant technology, today reported financial results for the fourth quarter and full year ended December 31, 2025, and provided key updates on the development of the KARNO™ generator platform. Key Business Highlights On track to deliver initial KARNO units to customer sites and military applications in 2026, with plans to commercialize by year end Operating five KARNO units at Hy