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Motor Fuel Tax Rates and Fees

Tax Types
Tax Rates
Fees

Motor Fuel Tax

Public Act 104-0468 signed June 16, 2026, suspended the scheduled July 1, 2026, Consumer Price Index adjustment related to the motor fuel tax rate for 6 months from July 1, 2026, through December 31, 2026. See FY 2026-23-A, Revised Motor Fuel Tax Rates Effective July 1, 2026, through December 31, 2026, for more information.

From July 1, 2025, through December 31, 2026, the rates are as follows:

  • gasoline/gasohol – $0.483 per gallon
  • diesel fuel – $0.558 per gallon
  • liquefied petroleum gas (LPG) – $0.558 per gallon1
  • liquefied natural gas (LNG) – $0.558 per gallon2
  • compressed natural gas (CNG) – $0.483 per gallon3

From July 1, 2024, through June 30, 2025, the rates are as follows:

  • gasoline/gasohol – $0.470 per gallon
  • diesel fuel – $0.545 per gallon
  • liquefied petroleum gas (LPG) – $0.545 per gallon1
  • liquefied natural gas (LNG) – $0.545 per gallon2
  • compressed natural gas (CNG) – $0.470 per gallon3

From July 1, 2023, through June 30, 2024, the rates are as follows:

  • gasoline/gasohol – $0.454 per gallon
  • diesel fuel – $0.529 per gallon
  • liquefied petroleum gas (LPG) – $0.529 per gallon1
  • liquefied natural gas (LNG) – $0.529 per gallon2
  • compressed natural gas (CNG) – $0.454 per gallon3

From January 1, 2023, through June 30 2023, the rates are as follows:

  • gasoline/gasohol – $0.423 per gallon
  • diesel fuel – $0.498 per gallon
  • liquefied petroleum gas (LPG) – $0.498 per gallon1
  • liquefied natural gas (LNG) – $0.498 per gallon2
  • compressed natural gas (CNG) – $0.423 per gallon

(1) For LPG, “gallon” means diesel gallon equivalent (DGE), which is defined as 6.41 pounds of LPG.

(2) For LNG, “gallon” means DGE, which is defined as 6.06 pounds of LNG.

(3) For CNG, “gallon” means gasoline gallon equivalent (GGE), which is defined as 5.66 pounds of CNG.

  

Motor Fuel Use Tax

Public Act 104-0468, signed June 16, 2026, suspended the scheduled July 1, 2026, Consumer Price Index adjustment related to the motor fuel tax rate for 6 months from July 1, 2026, through December 31, 2026. See FY 2026-24-A, Revised Motor Fuel Use Tax Rates Effective July 1, 2026, through December 31, 2026, for more information.

From January 1, 2026, through December 31, 2026, the rates are as follows: 

  • gasoline/gasohol – $0.653 per gallon
  • diesel fuel – $0.738 per gallon
  • liquefied petroleum gas (LPG) – $0.72 per DGE1
  • liquefied natural gas (LNG) – $0.702 per DGE2
  • compressed natural gas (CNG) – $0.598 per GGE 

From July 1, 2025, through December 31, 2025, the rates are as follows:

  • gasoline/gasohol – $0.669 per gallon
  • diesel fuel – $0.749 per gallon
  • liquefied petroleum gas (LPG) – $0.73 per DGE1
  • liquefied natural gas (LNG) – $0.711 per DGE2
  • compressed natural gas (CNG) – $0.609 per GGE 

From January 1, 2025, through June 30, 2025, the rates are as follows:

  • gasoline/gasohol – $0.656 per gallon
  • diesel fuel – $0.736 per gallon
  • liquefied petroleum gas (LPG) – $0.717 per DGE1
  • liquefied natural gas (LNG) – $0.698 per DGE2
  • compressed natural gas (CNG) – $0.596 per GGE 

From July 1, 2024, through December 31, 2024, the rates are as follows:

  • gasoline/gasohol – $0.666 per gallon
  • diesel fuel – $0.757 per gallon
  • liquefied petroleum gas (LPG) – $0.725 per DGE1
  • liquefied natural gas (LNG) – $0.716 per DGE2
  • compressed natural gas (CNG) – $0.596 per GGE 

From January 1, 2024, through June 30, 2024, the rates are as follows:

  • gasoline/gasohol – $0.650 per gallon
  • diesel fuel – $0.741 per gallon
  • liquefied petroleum gas (LPG) – $0.709 per DGE1
  • liquefied natural gas (LNG) – $0.700 per DGE2
  • compressed natural gas (CNG) – $0.580 per GGE 

From July 1, 2023, through December 31, 2023, the rates are as follows:

  • gasoline/gasohol – $0.685 per gallon
  • diesel fuel – $0.788 per gallon
  • liquefied petroleum gas (LPG) – $0.714 per DGE1
  • liquefied natural gas (LNG) – $0.677 per DGE2
  • compressed natural gas (CNG) – $0.573 per GGE 

From January 1, 2023, through June 30, 2023, the rates are as follows:

  • gasoline/gasohol – $0.654 per gallon
  • diesel fuel – $0.757 per gallon
  • liquefied petroleum gas (LPG) – $0.683 per DGE1
  • liquefied natural gas (LNG) – $0.646 per DGE2
  • compressed natural gas (CNG) – $0.542 per GGE 

(1) The conversion ratio used to calculate the LPG rate is one gallon = 0.651 DGEs of LPG.

(2) The conversion ratio used to calculate the LNG rate is one gallon = 0.5776 DGEs of LNG.

Decal Fee
$3.75 per set
Environmental Impact Fee $0.008 per gallon sold  
Underground Storage Tank Tax $0.003 per gallon of fuel  
Prepaid Sales Tax Click here to look up the Prepaid Sales Tax rates.