This excerpt from a recent NGVi article, which references the Clean Cities Alt Fuel Price Report, might put your fears to rest and serve to confirm you made a smart choice with CNG. Since the advent of the shale deposits about 2 years ago, and CNG permanently disconnected from it's age-old habit of tracking oil prices (less about 40%), CNG has been the most stable fuel in the fuel market. How do you spell ENERGY SECURITY.
CNG Fuel Price Report 
From Clean Cities Alternative Fuel Price Report published by Argonne National Laboratory for DOE's Clean Cities Program
Overall Average Fuel Prices (as of October 2011) |
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Nationwide Average Price for Fuel This Report | Nationwide Average Price for Fuel Last Report | Change in Price This Report vs. Last Report | Units of Measurement | |
Gasoline (Regular) | $3.46 | $3.68 |
$0.22 |
per gallon |
Diesel | $3.81 | $3.95 |
$0.14 | per gallon |
CNG | $2.09 | $2.07 |
$0.02 | per GGE |
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