What Gas Costs
and Why
An independent guide to the price at the pumpData release · 11 September 2026

Taxes explained

Kentucky fuel taxes

Fixed duties and percentage taxes work differently. These records preserve effective dates and unresolved checks.

Amounts are in local currency per litre. Percentage entries are recomputed from each observed price. Snapshot dates are identified in the notes.
Tax / fuelRateEffective fromThroughStatus and source
Excise Fixed
gasoline
USD 0.1183/L2026-07-01Open / check sourceSource verified
Petroleum Storage Tank Environmental Assurance Fee: $0.0140/gal. Rates are calculated quarterly on the average wholesale price of fuel. Beginning July 1, 2016, rates calculated and adjusted on an annual basis. Governor Beshear's Executive Order 2026-235 in May 2026 temporarily reduced motor fuel tax rates by 10 cents per gallon, which expired June 30, 2026. Rate observed at the EIA reporting snapshot; verify legislative effective date. Federal tax included.
Excise Fixed
diesel
USD 0.1263/L2026-07-01Open / check sourceSource verified
Petroleum Storage Tank Environmental Assurance Fee: $0.0140/gal. Rates are calculated quarterly on the average wholesale price of fuel. Beginning July 1, 2016, rates calculated and adjusted on an annual basis. Governor Beshear's Executive Order 2026-235 in May 2026 temporarily reduced motor fuel tax rates by 10 cents per gallon, which expired June 30, 2026. Rate observed at the EIA reporting snapshot; verify legislative effective date. Federal tax included.
Excise Fixed
gasoline
USD 0.1183/L2026-01-01Open / check sourceSource verified
Petroleum Storage Tank Environmental Assurance Fee: $0.0140/gal. Rates are calculated quarterly on the average wholesale price of fuel. Beginning July 1, 2016, rates calculated and adjusted on an annual basis. Rate observed at the EIA reporting snapshot; verify legislative effective date. Federal tax included.
Excise Fixed
diesel
USD 0.1263/L2026-01-01Open / check sourceSource verified
Petroleum Storage Tank Environmental Assurance Fee: $0.0140/gal. Rates are calculated quarterly on the average wholesale price of fuel. Beginning July 1, 2016, rates calculated and adjusted on an annual basis. Rate observed at the EIA reporting snapshot; verify legislative effective date. Federal tax included.
Excise Fixed
gasoline
USD 0.1183/L2025-07-01Open / check sourceSource verified
Petroleum Storage Tank Environmental Assurance Fee: $0.0140/gal. Rates are calculated quarterly on the average wholesale price of fuel. Beginning July 1, 2016, rates calculated and adjusted on an annual basis. Rate observed at the EIA reporting snapshot; verify legislative effective date. Federal tax included.
Excise Fixed
diesel
USD 0.1263/L2025-07-01Open / check sourceSource verified
Petroleum Storage Tank Environmental Assurance Fee: $0.0140/gal. Rates are calculated quarterly on the average wholesale price of fuel. Beginning July 1, 2016, rates calculated and adjusted on an annual basis. Rate observed at the EIA reporting snapshot; verify legislative effective date. Federal tax included.

Return to Kentucky prices · Read the explanation

Common questions

Does a percentage tax stay fixed in cents per litre?

No. VAT, GST and sales taxes vary with their taxable base. For a tax-inclusive price and one rate r, the tax amount is price × r / (1 + r).

Why are some tax records marked unverified?

A published summary can omit a local levy, a tax-base rule or an effective date. Unverified records are not treated as a complete statutory tax stack.