WPRT ▲ +1.1% - Westport Fuel Systems Inc. $WPRT - Cespira™, the Joint Venture between Westport and Volvo Group, reveals how HPDI™ 3.0 advances fuel economy and expands OEM options Westport Fuel Systems rose 1.1% following news that Cespira, its joint venture with Volvo Group, unveiled HPDI 3.0 technology designed to improve fuel economy and broaden original equipment manufacturer options. The advancement in the company's high-pressure direct injection platform underscores progress in its alternative fuel solutions business. 14-SEP-2026 06:30 AM ET