Maine Gas Prices and Why They Are What They Are

Prices as of October 27, 2026, per AAA · Updated October 31, 2026

As of October 27, 2026, regular gasoline in Maine averages $4.29/gallon (the 22nd-highest in the U.S.), per AAA. $0.02 above AAA's national average of $4.27 on 2026-10-27. State fuel taxes and fees are 31.4 cents per gallon (Tax Foundation, 2026 edition). Federal gasoline tax adds 18.4 cents per gallon.

Regular
$4.29
the 22nd-highest; AAA
Diesel
$6.42
October 27, 2026
State fuel taxes
31.4¢/gal
Tax Foundation, 2026 edition
U.S. average
$4.27
EIA, week of October 26, 2026

How Maine got here

Maine weekly snapshots of AAA state averages $0.0 $1.0 $2.0 $3.0 $4.0 Jul 07 Jul 19 Aug 08 Aug 28 Sep 17 Oct 07 Oct 27 Maine Oct 27: $4.3

Weekly snapshots of AAA state averages, recorded by this site since July 6, 2026. AAA state averages.

Where the $4.29 goes

AAA price as of October 27, 2026; WTI monthly average for September 2026; taxes from Tax Foundation, 2026 edition.
Component$/gallonShareSource
Monthly WTI crude proxy$2.3254.0%EIA monthly WTI
Federal and Maine fuel taxes$0.5011.6%Tax Foundation, 2026 edition
Unallocated residual (after the monthly WTI crude proxy and taxes)$1.4834.4%computed; not attributed to components

The crude-oil share of the price is set by a world market that every state's refiners buy from; the differences between states come from taxes, fuel specifications, and refining and distribution costs. EIA: factors affecting gasoline prices.

Why Maine is above the U.S. average

Taxes and supply costs

Maine's state fuel tax ranks 24 among the 50 states (Tax Foundation, 2026 edition). The crude-oil share of the price is set by a world market that every state's refiners buy from; the differences between states come from taxes, fuel specifications, and refining and distribution costs. The amount after the crude proxy and taxes is the unallocated residual after crude and taxes.

What a gallon costs in work time

At Maine's median hourly wage of $24.73 (BLS OEWS, May 2025), a gallon of regular costs 10.4 minutes of work. BLS OEWS. Compare gasoline affordability.

State policies that show up at the pump

Policy or supply baseDetailSource
Refining base0 operating refineries, 0 b/d (EIA Refinery Capacity Report 2026, as of 2026-01-01)Source

State government control

Control in 2026Unified Democratic
Years of unified Democratic control, 2001–202616
Years of unified Republican control2
Years of split government8

Party control by year from Ballotpedia, compiled 2026-09-08; counts computed at build. Ballotpedia.

Questions people ask

How does Maine compare with the U.S. this week?

$0.02 above AAA's national average of $4.27 on 2026-10-27.

What share of the price is tax?

Combined state and federal taxes are 11.6% of regular (Tax Foundation, 2026 edition).

What does diesel cost in Maine?

AAA diesel averages $6.42 as of October 27, 2026.

Compare: all states ranked · Maine electricity rates · gasoline prices by country · refining · why gas prices are high.

Sources: AAA (pump prices), Tax Foundation, 2026 edition, EIA federal gasoline tax, EIA monthly WTI, EIA weekly retail gasoline, and BLS OEWS. The residual is computed, not attributed to components. See methodology.