Page 72 - CNG/ LNG ESP Participant Guide 2024
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Module 9: LNG Fueling and Defueling

           Lesson 9.2: LNG Defueling

            Vent-to-             ▪  Gas is vented from the vehicle’s onboard fuel storage tanks directly to the atmosphere
            Atmosphere




















            Liquid Transfer to   ▪  LNG is transferred from the vehicle’s onboard storage tank to another LNG tank
            LNG Tank             ▪  LNG can transition to gas
                                 ▪  Possible to recover some amount of liquid















































                                           NGV Essentials and Safety Practices (CNG & LNG)                            © 2024 AFVi All Rights Reserved    Page 9-4
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