Westport Fuel Systems Inc

Aetherion Technologies Inc. (formerly Westport Fuel Systems Inc.) is a global clean transportation technology company that develops and delivers advanced fuel delivery, storage, and control technologies for heavy-duty mobility applications. The company's portfolio includes a majority ownership interest in Cespira, a joint venture with Volvo Group focused on HPDI fuel system technology, as well as wholly owned high-pressure compressed natural gas (CNG) fuel storage systems, high-pressure systems and components, and control technologies. These technologies support a range of alternative fuels including natural gas, renewable natural gas (biogas and bioLNG), and hydrogen, enabling original equipment manufacturers and commercial transportation fleets to meet performance standards, regulatory requirements, and climate objectives cost-effectively. HPDI fuel systems are commercially deployed in over 12,000 trucks worldwide and can reduce greenhouse gas emissions by 20% on LNG and up to 100% using bioLNG, hydrogen, or HVO, while delivering diesel-grade performance. The company serves global heavy-duty and high-horsepower markets and trades on both the TSX and Nasdaq. Updated Oct 15, 2026