Hyliion Holdings Corp. is an American company specializing in the development of the modular powerplant. Founded in 2015, the company initially focused on electrified class 8 powertrain systems, but redirected its focus toward the power-generation sector with the acquisition of the fuel-agnostic KARNO generator from GE Aerospace, reducing the scope of its powertrain operations in November 2023. Hyliion is headquartered in Cedar Park, Texas, and is publicly traded on the NYSE American under the ticker symbol HYLN. Thomas Healy, the company's founder, serves as Chief Executive Officer. Wikipedia