At fast-fill CNG stations, gas is compressed prior to your arrival and transferred to a large storage tank. When you arrive at the station you transfer a portion of the compressed gas in the storage tank into your vehicle. This process takes a few minutes and is comparable to filling your vehicle with gasoline.

There are many fast-fill stations in the US, but not all of them are open to the public. Government and private facilities often exist but were built in secure areas where the public is not welcome. At other times organizations are not willing to open their fueling stations to the public, or government taxes prohibit them from opening them to the public. The lack of reliable fueling stations is one of the reasons CNG has not become mainstream.

Various resources can be utilized to locate CNG public fueling stations, including the following:

• Clean Energy
• CngPrices.com (The Best!)
• Department of Energy Alternative Fuel Station Finder
• Department of Energy Natural Gas Station Listing
• Questar Utah and Wyoming CNG Fueling Stations