WPRT - Westport Fuel Systems Inc. (WPRT) Q4 2021 Earnings Call Transcript March, 15 2022 01:30 PM Westport Fuel Systems Inc Image source: The Motley Fool. Westport Fuel Systems Inc. (NASDAQ: WPRT) Q4 2021 Earnings Call Mar 15, 2022 , 10:00 a.m. ET Operator Continue reading For further details see: Westport Fuel Systems Inc. (WPRT) Q4 2021 Earnings Call Transcript