Page 39 - CNG ESP Participant Guide2024
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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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