Enhanced rail-pressure control, improved durability and more adaptable architecture deliver greater performance and integration flexibility, strengthening the case for broader adoption by OEMs and operators worldwideVANCOUVER, British Columbia, Sept. 14, 2026 (GLOBE NEWSWIRE) -- Westport Fuel Systems Inc. (“Westport") (TSX:WPRT / Nasdaq: WPRT), today announced Cespira, its joint venture with Volvo Group, released new technical details of HPDI™ 3.0, the next generation of its proven High Pressure