FOURTH QUARTER 2021 HIGHLIGHTS FULL-YEAR 2021 HIGHLIGHTS Adjusted EBITDA is a non-GAAP financial measures. Refer to section 'GAAP and Non-GAAP Financial Measures' for the reconciliation. EXHIBIT 99.1 Westport Fuel Systems Reports Fourth Quarter and Full-Year 2021 Financial Results VANCOUVER, British Columbia, March 14, 2022 (GLOBE NEWSWIRE) -- Westport Fuel Systems Inc. ("WFS") (TSX:WPRT / Nasdaq:WPRT) today reported financial results for the fourth quarter and year ended December 31, 2021, and provided an ...