State level taxes and fees on gasoline in the US averaged 26.5 ¢/gal. as of 1 January 2016. These taxes and fees ranged from a low of 8.95¢/gal. in Alaska to a high of 51.4¢/gal. in Pennsylvania, in addition to the federal tax of 18.4¢/gal.
State taxes on diesel are slightly higher – averaging 27.4¢/gal., and ranging from 8.95¢/gal. in Alaska to 65.1¢/gal. in Pennsylvania – and are in addition to the 24.4¢/gal. federal tax. EIA collects information on state gasoline and diesel fuel taxes twice a year, and recently released data for state tax rates in effect as of 1 January 2016.
