Page 39 - CNG/ LNG ESP Participant Guide 2024

Module 5: CNG Fueling Station Safety Systems and Fueling Practices

Lesson 5.1: Overview of CNG Fueling Stations

Three Types of
CNG Stations

Time-Fill Station

Typical Application:
Refuse; School Bus

Fast-Fill Station
(Cascade)

Typical Application:
Public CNG station

Fast-Fill Station
(Buffer)

Typical Application:
Transit CNG station

CNG Fuel Delivery ▪ Current Standards
Pressure o 3,600 psi at 70°F
o 3,000 psi at 70°F (old technology)
▪ Temperature compensation system
o Enables more complete fill

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