Hyliion Holdings has secured a $41.7 million contract from the U.S. Office of Naval Research (ONR) to design, develop, build, test, and deliver 2-megawatt and 3-megawatt KARNO power generation systems, marking one of the company’s most significant government awards to date. The cost-plus-fixed-fee contract, valued at $41.7 million, will support the development of megawatt-scale versions of Hyliion’s modular KARNO power generation technology for …