← Mississippi tax rules›Gas Tax

Mississippi Gas Tax (2026)

Info: 24.4 cents/gallon total state charges on gasoline from July 1, 2026: the excise rose from 21.0c to 24.0c (the second annual 3-cent step of the phase-in enacted in 2025) plus the 0.4c environmental protection fee.

InfoVerified Jul 2, 2026

Tax rules change at the state line — and in your state.Track them in the free LawLert iPhone app: it alerts you when you cross into a state where they differ, and when they change in your state. No account.Get the app

24.4 cents/gallon total state charges on gasoline from July 1, 2026: the excise rose from 21.0c to 24.0c (the second annual 3-cent step of the phase-in enacted in 2025) plus the 0.4c environmental protection fee. Excludes the 18.4c federal tax.

Official source: dor.ms.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Gas Tax in states bordering Mississippi

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

AlabamaInfo
State gasoline excise tax is 30 cents/gallon and diesel 31 cents/gallon (effective July 1, 2025; Code of Ala. 40-17-325) — excludes the 18.4-cent federal tax. Some cities and counties levy additional local gasoline taxes.
Verified Jul 2, 2026 · Source: revenue.alabama.gov · Full Alabama rule →
ArkansasInfo
24.7¢/gallon state motor fuel tax on gasoline, plus a 0.3¢/gallon Petroleum Environmental Fee = 25.0¢/gallon in total state taxes and fees (excludes the 18.4¢ federal tax). Gasoline rate is set through Sept 30, 2026.
Verified Jul 3, 2026 · Source: dfa.arkansas.gov · Full Arkansas rule →
LouisianaPermitted
20.0 cents/gallon in state tax (16c excise to the Transportation Trust Fund + 4c dedicated to debt service).
Verified May 31, 2026 · Source: revenue.louisiana.gov · Full Louisiana rule →
TennesseeInfo
27.4 cents/gallon in state taxes & fees (26c gasoline tax + 1c special petroleum tax + 0.4c environmental fee); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: tn.gov · Full Tennessee rule →

Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free app

Track this law — get alerted when it changes

We watch the official sources behind Mississippi taxes rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.