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Hyliion Holdings Corp. reports developments tied to modular power plant technology and the KARNO™ Power Module, a fuel-flexible generator platform designed for distributed electricity production. Company news commonly covers KARNO reactor and core testing, dynamic fuel switching, diesel and gaseous fuel operation, power-generation validation, and applications in stationary power, defense, commercial, waste management, data center, vehicle, and marine settings.
Recurring updates also include quarterly and annual financial results, business outlook commentary, customer and military testing programs, intellectual property related to the KARNO architecture, and investor conference participation. The company frames its technology around locally deployable power generation, fuel flexibility, low-emission operation, and resilient on-demand electricity.
Hyliion (NYSE American: HYLN) announced that the U.S. Navy’s Office of Naval Research and DARPA selected the USX-1 Defiant unmanned vessel as a candidate test platform for its KARNO Core power system.
Hyliion will supply an 800 KW, four-core modular generator to support sea trials focused on scalable, low-maintenance onboard power for autonomous naval operations.
Hyliion (NYSE American:HYLN) reported Q1 2026 revenue of $2.8 million from R&D services, a sharp increase versus 2025, and a net loss of $11.7 million. Cash and investments were $139.3 million.
The company completed non-recurring UL testing for the KARNO Power Module, advanced an 800-kilowatt Navy system, signed an LOI with VFG for up to 250 KARNO Cores, and now has LOIs covering nearly 750 KARNO Cores, over $400 million of potential revenue. Hyliion reaffirmed 2026 revenue guidance of about $10 million and expects year-end cash around $100 million, with total 2026 cash use near $50 million.
Hyliion (NYSE American: HYLN) demonstrated uninterrupted multi-fuel operation of its next-generation KARNO reactor, transitioning between natural gas, hydrogen and diesel on the same hardware. The unified architecture integrates liquid and gaseous fuel pathways, supports automatic fuel detection and control adjustments, and targets applications in data centers and defense.
Hyliion Holdings (NYSE American: HYLN) will report Q1 2026 financial results after market close on Tuesday, May 12, 2026 and will host a conference call and webcast on Wednesday, May 13, 2026 at 10:00 a.m. CT / 11:00 a.m. ET to discuss results, business, and outlook.
An archived webcast will be available in the Investor Relations section of Hyliion's website.
Hyliion (NYSE American: HYLN) reported Q4 and full-year 2025 results and KARNO platform progress on Feb 24, 2026. Revenue was $0.7M Q4 and $3.5M FY2025; FY net loss was $57.2M. Cash and investments totaled $152.4M with expected year-end 2026 balance of ~$100M. Product milestones included 175 kW demonstrated, UL component testing completed, five KARNO units operating, and plans to commercialize the 200 kW Power Module late 2026.
Hyliion (NYSE American: HYLN) announced successful operation of its full KARNO Core system on diesel fuel on February 18, 2026, exporting power to the grid while meeting Tier 4 Final (T4F) emissions without after-treatment hardware.
The result validates fuel flexibility across liquid and gaseous fuels, supports deployments in mission-critical and defense applications, and signals plans to incorporate diesel capability into customer KARNO Cores beginning in 2026.
Hyliion (NYSE American: HYLN) will report Q4 and FY 2025 financial results after market close on Tuesday, February 24, 2026, and will host a conference call and webcast on Wednesday, February 25, 2026.
Conference call is at 10:00 a.m. CT / 11:00 a.m. ET; an archived webcast will be posted on the company Investor Relations website.
Hyliion (NYSE American: HYLN) will present at the 2026 Needham Growth Conference on January 16, 2026. Founder & CEO Thomas Healy and CFO Jon Panzer will present at 9:30 a.m. ET. The presentation will be webcast live and available for replay, and Hyliion executives will be available for one-on-one meetings during the conference. For webcast registration or invitation requests, contact the conference email provided.
Hyliion (NYSE American: HYLN) completed the first phase of performance testing of its KARNO™ Power Module on a representative U.S. Navy load profile under a program funded by the Office of Naval Research.
The integrated system demonstrated load-following capability, reliability, and endurance during rapid load changes and high-stress conditions. Hyliion will next run operations under simulated ship-motion and complete several hundred additional run hours on dynamic profiles before at-sea demonstrations.
Hyliion (NYSE American: HYLN) announced a successful demonstration of dynamic fuel switching in its KARNO Power Module on November 17, 2025. The system transitioned between natural gas and propane while under load, maintaining continuous power generation without interruption, shutdown, or hardware changes.
The KARNO module is designed to operate on more than 20 fuel types (including natural gas, propane, diesel, hydrogen, and ammonia) with the software automatically detecting fuel changes and adjusting operating parameters in real time to sustain output and efficiency as commercialization expands.