This is an official site of the State of Arizona, Department of Transportation. It is intended to promote compliance with fuel tax laws by providing important information about the laws, by increasing awareness of fuel fraud schemes, and by allowing online reporting of suspected fraud or other non-compliance.
Illegal/Untaxed Fuel is Everyone’s Problem...
It damages vehicle engines...
...Gives violators an unfair price advantage.
...Pollutes air and soil due to high sulphur content.
...Robs funding intended for road construction.
If you are aware of attempts to:
Use red-dyed fuel on the road.
Blend waste products or other untaxed products with fuel.
Note: The Arizona Department of Transportation is not responsible for regulating the proper measurement (fuel volume) of motor fuels (gasoline, diesel, propane, etc), or for analyzing fuel octane levels. If you feel that a fuel pump is not dispensing the indicated volume of fuel, or that fuel fails to meet octane standards, you should contact the Arizona Department of Weights and Measures.
Also note that the State of Arizona does not regulate the price of fuel.
Some documents are posted in PDF format, which requires Adobe Reader to view.