• type2

      8.5 Gallon

      $1995 / Type 2 Tank  (16" X 40")
    • type2

      13 Gallon

      $2197 / Type 2 Tank  (16" X 59")
    • type3

      15 Gallon

      $3070 / Type 4 Tank  (21" X 45")
    • type4

      21.5 Gallon

      $3395 / Type 4 Tank  (21" X 60")
  • bestprice

    Best Price Guarantee

    We'll beat any advertised conversion price in OKC & give you a two year warranty!



Cut Fuel Cost Up To


Reduce Vehicle Emissions Up To


Average Yearly Savings

Oklahoma's #1 CNG Shop

CNG of OKC is nationally recognized as a front-runner for superior conversion opportunities, using state-of-the-art technology on all types of vehicles while offering conversion prices well below the national average.  As the most economical and environmentally friendly fuel available today, Compressed Natural Gas is the answer to America's energy crisis.

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Guaranteed Best Price

With years of experience, we've established ourselves as the dominant CNG conversion center in the central U.S.  With customers driving/flying from all over the lower 48 states, we add hundreds of happy customers to our CNG family every year.  We are the only CNG conversion center in the United States who guarantees that their product will save you money.

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Photo Gallery

A few of our favorite conversions.


Savings Calculator

How much will you save by converting your vehicle(s) to CNG?


Quick Quote

Get a fast, no hassle quote to convert your vehicle to CNG.


How To Find Us

We are conveniently located on the corner of 122nd & Santa Fe.

Business Hours

Monday-Friday: 8am to 5pm
Weekend: By Appointment Only

Support is online

Our Office Location

CNG E-Newsletter

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