Time Fill vs Fast Fill vs Combination Fill CNG Fueling Stations
From Open Source Ecology
Basics
- CNG Fill stations have one of three variations:
- Time Fill
- Fast Fill
- And Combination Fill
- This Page Explores the Differences between these for future reference
- Also applicable to Compressed Hydrogen Gas
Time Fill
- This is essentially like overnight charging EVs but for CNG
- These are more economical as they don't require much storage, and work at lower pressures
Fast Fill
- These take a low pressure CNG input, compress it to high pressure, then store it in a buffer tank
- This allows for fill times comparable to that of conventional liquid fueled vehicles
- More costly and possible safety concerns due to high pressure and/or long term storage of flammable gasses
Combination Fill
- These are units that can do both Time and Fast Fill
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