Westport to Showcase High‑Pressure CNG Fuel System for North American Heavy‑Duty Fleets at ACT Expo 2026

Westport's next‑generation compressed natural gas fuel storage system, combined with Cespira's on-engine HPDI™ fuel system, marks a major step toward commercializing heavy-duty trucks with diesel performance and efficiency using widely available compressed natural gas VANCOUVER, British Columbia, April 30, 2026 (GLOBE NEWSWIRE) -- Westport (TSX:WPRT / Nasdaq:WPRT), a global leader in advanced alternative fuel systems for the transportation industry, today announced the first North American demonstration of its compressed natural gas (CNG) fuel storage system combined with the on-engine HPDI™ fuel system of Cespira, Westport's joint venture with Volvo Group, at ACT Expo 2026 , taking place May 4-7 in Las Vegas. These systems are installed on a latest-generation Volvo VNL 300 truck with 500 horsepower and 1,850 lb-ft of torque, and with fuel efficiency on CNG closely comparable to the VNL running on diesel fuel.