Total US Fuel Taxes by State
 
State Gas (¢/g) Diesel (¢/g) Other taxes Comments
New York 42.400 24.650 0.3500 Gasoline and Diesel Tax rates also include a 8-8.75 cpg state sales tax + 4% local sale tax rate (most areas), "Other Tax" include a 0.05 cpg Petroleum Test Fee (gas only)and a 0.30 cpg spill fee, State excise tax is 8 cpg on gasoline and diesel, Petroleum Business Tax 17.8 cpg gas only and 16.05 cpg diesel ((article 13A))
Pennsylvania 40.700 51.000 1.1000 "Other Taxes" include a 1.1 cpg UST (gasoline only)
California 39.500 10.000 1.4000 "Other Taxes" include a 1.4 cpg state UST fee (gasoline and diesel), a 2.25% state sales tax for gasoline, a 9.67% state sales tax for diesel, gasoline and diesel rates are rate + local sales tax
North Carolina 37.500 37.500 0.2500 "Other Taxes" include a 0.25 cpg inspection tax
Washington 37.500 37.500 0.0960 "Other Taxes" include a 7/10's percent (0.0007 cpg) HASMAT fee, 0.0953 cpg Oil Spill Administration Fee
West Virginia 35.700 35.700 0.0000 12.9 cpg included in state sales excise tax, these rates are 15.2 cpg variable rate plus 20.5 cpg state tax
Wisconsin 32.900 30.900 2.0000 "Other Taxes" include a 2 cpg UST fee (gasoline and diesel) that is included in the tax rates
Rhode Island 32.000 32.000 1.1200 "Other Taxes" includes a 1.12 cpg environmental protection fee
Maine 30.000 31.200 1.5082 "Other Taxes" include fees for a Groundwater Oil Clean-up Fund, Costal/ Inland Surface Oil Cleanup fee, and Market Share Act fee.
Oregon 30.000 30.000 0.0667 "Other Taxes" include a 0.0667 cpg load fee (equates to about $6.00 per load). For diesel, IFTA carrier there is a 16.38 cents per weight mile tax for gross of 80000lbs, this is in lieu of 30 cpg.
Kentucky 29.400 26.400 1.4000 "Other Taxes" include 1.4 cpg fee collected for the Underground Storage Tank Fund.
Minnesota 28.600 28.500 1.9000 "Other Taxes" includes a 1.9 cpg UST/Inspection/Miscellaneous fee
Florida 28.300 31.300 5.5200 Gas Tax rate can vary from 28.3-36.3 cpg depending on area, "Other Taxes" include 2.071 UST/Inspection fee (diesel) + 1.25 cpg state sales tax, 2.196 UST/Inspection fee (gasoline)
Ohio 28.000 28.000 0.0000  
Montana 27.000 27.750 0.7500 "Other Taxes" include a 0.75-cpg fee toward the state cleanup fund
Maryland 27.000 27.750 0.1369 "Other Taxes" include a 0.1369 UST/Inspection/Miscellaneous fee
Nebraska 26.400 26.400 0.9000 "Other Taxes" include a 0.9 cpg Release Prevention fee for gasoline, and a 0.3 cpg Release Prevention fee for diesel
Connecticut 25.000 54.900 8.8140 "Other Taxes" is a 8.814% Gross Receipts tax applicable to gasoline only (or about 4 cpg)
Idaho 25.000 25.000 1.0000 "Other Taxes" include a 1 cpg UST
Vermont 24.900 30.000 1.0000 "Other Taxes" include a 1 cpg license fee for UST fund, 0.182 cpg State Tax, Motor Fuel Tax Assessment fee of 6.07 cpg, and 0.0636 cpg transportation infrastructure assessment fee on gasoline. Additional 1 cent clean up fee for diesel rate.
Utah 24.500 24.500 0.5000 "Other Taxes" include a 0.5 cpg UST/Inspection/Miscellaneous fee
Nevada 24.000 27.000 0.8000 "Other Taxes" include a 4-9 cent County Option Tax (varies in Washoe county, 20.10968 sales tax for gasoline,16.58082 sales tax for diesel), 0.75 cpg cleanup fee, and .055 cpg inspection fee (gasoline only). Clark county has implemented an index rate of 3.24715 cpg
Kansas 24.000 26.000 1.0300 "Other Taxes" columns include 1 cpg environmental assurance fee, 0.03 cpg inspection fee
Massachusetts 24.000 24.000 2.6191 "Other Taxes" include 2.6191 cpg UST/Spill Clean Up/Inspection fund tax
Washington DC 23.500 23.500 0.0000  
Wyoming 23.000 23.000 1.0000 "Other Taxes" include a 1 cpg UST fee (cleanup fund for gasoline and diesel) that is included in the tax rates
North Dakota 23.000 23.000 0.0250 "Other Taxes" include a 0.025 cpg UST/Inspection/Miscellaneous fee
Delaware 23.000 22.000 1.5472 "Other Taxes" is a wholesaler percentage fee. Additional .9% Gross Receipts tax for the State Hazardous Substance Cleanup Fund is also assessed at the wholesale level (1.5472%) after yearly exclusions are met. (Title 7: 9114)
South Dakota 22.000 22.000 2.0000 "Other Taxes" include a 2 cpg Tank Inspection fee
Colorado 22.000 20.500 1.2500 "Other Taxes" include a 1.250 cpg Environtmental Response Surcharge (gasoline and diesel)
Arkansas 21.500 22.500 0.3000 Plus 0.3 cpg environmental assurance fee, this is assessed at the wholesale level for underground storage tank funds
Iowa 21.000 22.500 1.0000 "Other Taxes" include 1 cpg UST fee
Louisiana 20.000 20.000 0.9250 "Other Taxes" include a 0.925 UST/Inspection/Miscellaneous fee
Texas 20.000 20.000 0.1375 "Other Taxes" include a 0.1375 cpg load fee (based on per 8000 gallons, generally equates to $11.00 per 8000-10000 gallon load)
Tennessee 20.000 17.000 1.4000 "Other Taxes" include a 1-cent special tax for gasoline, and a 0.4 cpg environmental assurance fee
Illinois 19.000 21.500 7.3500 "Other Taxes" include a 6.25% local sales tax (local sales tax can vary between 6.25-10.5%, or higher) and a 1.1 cpg UST. The sales tax calculated off the retail price less federal and state excise taxes
Michigan 19.000 15.000 6.0000 "Other Taxes" 0.875 cpg for environmental regulation fee, Diesel Tax rate is rate + 6% local sales tax. Prepaid rate on gasoline is 17.4 cpg, prepaid rate for diesel is 21.4 cpg
Arizona 18.000 26.000 1.0000 "Other Taxes" include a 1 cpg UST tax.
New Hampshire 18.000 18.000 1.6250 "Other Taxes" include 0.125 cpg for Oil Pollution Control fund, and 1.5 cpg Oil Discharge Fee
Mississippi 18.000 18.000 0.0000 Additional 3 cpg Seawall tax in Hancock, Harrison and Jackson counties (gasoline only)
Indiana 18.000 16.000 8.0000 "Other Taxes" include a 7% sales tax and a 1 cpg UST (gasoline and diesel), pre-paid sales tax on gaoline is 16.8 cpg
New Mexico 17.000 21.000 1.8750 "Other Taxes" include a 1.875 cpg load fee
Missouri 17.000 17.000 0.3000 "Other Taxes" include a few additional fees on all fuel sales - agriculture inspection fee (.0005 per gallon) and transport load fee (.0025 per gallon) - 0.3 cpg
Hawaii 17.000 17.000 0.1191 "Other Taxes" include 0.1191 Inspection fee (gasoline and diesel), 0.1 cpg environmental response tax, 4% sale tax on diesel + local fees, and county taxes can range between .088 to .18
Alabama 16.000 19.000 3.0000 "Other Taxes" include a 3 cpg UST fee for gasoline and diesel, 0-6 cent county/city/pj tax for gasoline that can vary by county/city
South Carolina 16.000 16.000 0.7500 "Other Taxes" includes a 0.25 cpg inspection fee and 0.50- pg environmental fee (UST cleanup)
Oklahoma 16.000 13.000 1.0000 "Other Taxes" include a 1 cpg UST fee
New Jersey 14.500 17.500 4.0550 "Other Taxes" include 4 cpg Petroleum Products Gross Receipts Tax (included in Diesel Tax rate) and 0.055 cpg "first time purchaser" fee
Virginia 11.100 20.200 0.6000 "Other Taxes" include a 0.6 cpg petroleum storage tank fee (UST). There is an additional 2.1% sales tax on motor fuels for localities that are part of the Northern Virginia Transportation District
Alaska 8.000 8.000 0.0715 "Other Taxes" include a 0.0715 cpg Inspection fee
Georgia 7.500 7.500 0.5000 The state excise tax is 7.5 cpg on (gas and diesel), additional 13.8 ppg state sales tax on diesel, 11.8 ppg state sales tax on gasoline. Gas and Diesel Tax rates are rate + local sales tax (varies by county and city, charged in PPG), "Other Taxes" include a 0.75 cpg UST (gasoline and diesel)
Please note the above rates are meant as only guidelines of pump taxes and may not represent the full tax amount at the pump.
Source: Compiled by GasBuddy from various sources.
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Source: http://www.gasbuddy.com/Tax_Info.aspx