Connecticut

What sits between the rack and the pump

Published rack prices exclude every tax below. A retail price less the rack price less this stack is freight plus retail margin — the spread this page exists to make computable. Cents per gallon.

Download every state (CSV) Open the tax map

The state's own answers

From the Federation of Tax Administrators survey "Motor Fuel Tax Information by State" (2026-10-29), as the state's tax agency answered it. Not tax advice: check the agency before relying on a figure.

Point of taxation

Select all that apply for each fuel type: Gasoline: Distributor/Wholesaler Level Diesel: Distributor/Wholesaler Level Aviation Fuel: Distributor/Wholesaler Level, Retail/Use Level, Other Aviation Fuel - Other (please specify): If a licensed Aviation Fuel dealer makes a sale a retail sale of aviation fuel (Jet A or Avgas) for other than aircraft use, then the taxpayer must upgrade its license to either a Special Fuel or Motor Vehicle Fuel license. The types of sales may be subject to the excise tax per Title 12, Chapter 221 Motor Vehicle Fuels Tax, §12-455 – 12-476 Jet Fuel: Distributor/Wholesaler Level, Retail/Use Level, Other Jet Fuel - Other (please specify): If a licensed Aviation Fuel dealer makes a sale a retail sale of aviation fuel (Jet A or Avgas) for other than aircraft use, then the taxpayer must upgrade its license to either a Special Fuel or Motor Vehicle Fuel license. The ty

Rate reported

Gasoline: 25¢ per gallon / Diesel: 49.9¢ per gallon

Gallons basis

Calculation basis: Gross Gallons Please provide the reference information: Connecticut requires motor fuel tax calculations to be reported based on gross gallons. Gross gallons are reported on the front of each monthly return, including Form OP-216 (Special Fuel Distributor), OMF (Motor Vehicle Fuel Distributor), and OMF-1 (Tax – Motor Vehicle Fuel Distributor) returns. In addition, Connecticut requires taxpayers to attach detailed Schedules of Receipts (MF-R) and Distributions (MF-D) to their returns. These schedules report gross, net, and billed gallons, providing additional detail to suppor

Fees

What are the fees and rates associated on reportable products (i.e. environmental fee, inspection fee)? What is the statutory reference regarding the fees on reportable products?: N/A

Rate updates

Please list any rate updates for your state: The diesel fuel tax rate is adjusted annually on July 1st of each year based on the wholesale price of diesel fuel in CT during the previous April 1 through March 31 period. Effective July 1, 2025, aviation fuel will be subject to a fuel tax, based on the first sale, at 15¢ per gallon. Also, the new statue requires DRS to calculate the tax rate based on the CPI every 4 years starting July 1, 2029;

Sales tax on fuel

Does your state impose a sales tax on gasoline, clear diesel or dyed diesel?: Yes If so, how are the rates calculated? How often does the rate change? Is tax imposed on volume or value and when is it collected?: Yes, if the sale of these kinds of fuels are not taxed under Chapter 221 and are not exempt under 12-412 then the fuel would be subject to sales tax. Rate of tax currently 6.35% on the value or the sale. Example: Gasoline, Kerosene, or diesel sold in hardware stores for off-road equipment such as lawnmowers or chainsaws. These sales may also be subject to the Connecticut Petroleum Products Gross Earnings tax. See below Marine Fuel Dock Owners or Operators.

Scheduled changes

The diesel fuel tax rate is adjusted annually on July 1st of each year based on the wholesale price of diesel fuel in CT during the previous April 1 through March 31 period. Effective July 1, 2025, aviation fuel will be subject to a fuel tax, based on the first sale, at 15¢ per gallon. Also, the new statue requires DRS to calculate the tax rate based on the CPI every 4 years starting July 1, 2029;

Confidence

medium

Every component in force, with its source

Rows overlap by design: the best source for a component wins (hand edit, then a state notice, then the FTA booklet, then EIA). The losing rows stay for the audit trail.

How the rate has moved

Rack markets this stack applies to

• Hartford/Rocky Hill, CT
• New Haven, CT