Frequently Asked Questions

How much tax do we pay on a gallon of gasoline and diesel fuel?

The taxes on retail gasoline and diesel fuel, in cents per gallon, as of July 1, 2017:

 GasolineDiesel
Federal18.4024.40
Average of state taxes27.8528.62

Learn more:
State-by-state fuel taxes
Historical federal and state taxes are available in the Federal Highway Administration’s Highway Statistics Series. In the 2015 edition, see tables:

Articles on taxes

Last updated: September 6, 2017


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