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Frequently Asked Questions

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

The taxes and other fees on retail gasoline and diesel fuel, in cents per gallon, as of August 1, 2018:

Average of total state taxes28.6230.21

Federal taxes include excises taxes of 18.3 cents per gallon on gasoline and 24.3 cents per gallon on diesel fuel, and a Leaking Underground Storage Tank fee of 0.1 cents per gallon on both fuels. State taxes include rates of general application including, but not limited to, excise taxes, environmental taxes, special taxes, and inspection fees, but exclude state taxes based on gross or net receipts. State taxes do not include county and local taxes. This information is for general informational purposes only.

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 2016 edition, see tables:

  • 8.2.1. Federal excise tax rates on motor fuels and lubricating oil
  • 8.2.3. State tax rates on motor fuel
  • 8.4.6 State tax rates on motor fuel

Articles on taxes

Last updated: September 7, 2018

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