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EIA is continuing normal publication schedules and data collection until further notice.

Alternative Fuel Vehicle Data

Supplier Data (includes manufactured and converted vehicles)

About Compressed Natural Gas

Compressed Natural Gas is clean-burning, domestically produced, relatively low priced as a transportation fuel, and widely available. In AFVs, CNG is stored in cylinders at a pressure of 3,000 to 3,600 pounds per square inch. A CNG-powered vehicle gets about the same fuel economy as a conventional gasoline vehicle on a GGE basis. CNG is used in light-, medium-, and heavy-duty vehicles.

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Yearly Totals
Number of Vehicles  Total Vehicles

Note: Prior to 2004, data on the supply of gasoline-electric hybrids and diesel-electric hybrids were included in the Electric fuel type category.

Vehicle Type

Note: Prior to 2004, data on the supply of gasoline-electric hybrids and diesel-electric hybrids were included in the Electric fuel type category.




Release date: May 2019