WPRT - Westport Fuel Systems Inc. 2021 Q4 - Results - Earnings Call Presentation March, 15 2022 01:02 PM Westport Fuel Systems Inc The following slide deck was published by Westport Fuel Systems Inc. in conjunction with their 2021 Q4 earnings call. For further details see: Westport Fuel Systems Inc. 2021 Q4 - Results - Earnings Call Presentation