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
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