Texas Gas Prices and Why They Are What They Are

Prices as of September 22, 2026, per AAA · Updated September 24, 2026

As of September 22, 2026, regular gasoline in Texas averages $3.96/gallon (the 1st-lowest in the U.S.), per AAA. $0.51 below AAA's national average of $4.47 on 2026-09-22. State fuel taxes and fees are 20.0 cents per gallon (Tax Foundation, 2026 edition). Federal gasoline tax adds 18.4 cents per gallon. In EIA's weekly survey, Texas regular was $3.929 in the week of 2026-09-21, 41.8% higher than the same week a year earlier (nearest prior week, 2025-09-15).

Regular
$3.96
the 1st-lowest; AAA
Diesel
$5.97
September 22, 2026
State fuel taxes
20.0¢/gal
Tax Foundation, 2026 edition
U.S. average
$4.48
EIA, week of September 21, 2026

How Texas got here

Texas and U.S. regular gasoline monthly means $0.0 $1.0 $2.0 $3.0 $4.0 $5.0 2000 2005 2010 2016 2021 2026 Texas 2026: $3.6 U.S. 2026: $4.1 U.S. Texas

EIA weekly retail regular, all formulations; EMM_EPMR_PTE_STX_DPG and EMM_EPMR_PTE_NUS_DPG; retrieved 2026-09-22, through 2026-09-21. Monthly means pair identical weekly dates; months with fewer than three paired weeks and the current month are excluded from the chart. EIA weekly retail gasoline.

Last twelve months: paired monthly means
MonthTexasU.S.GapPaired weeksCoverage
2026-09$3.784$4.318$-0.5343partial (3 paired weeks)
2026-08$3.564$4.058$-0.4945complete
2026-07$3.462$3.932$-0.4704complete
2026-06$3.469$4.050$-0.5805complete
2026-05$3.915$4.479$-0.5644complete
2026-04$3.692$4.103$-0.4114complete
2026-03$3.271$3.638$-0.3675complete
2026-02$2.475$2.907$-0.4324complete
2026-01$2.373$2.808$-0.4354complete
2025-12$2.447$2.894$-0.4475complete
2025-11$2.573$3.050$-0.4774complete
2025-10$2.596$3.060$-0.4644complete

Highest weekly observation, nominal dollars: $4.642 on 2022-06-13; lowest weekly observation, nominal dollars: $0.996 on 2001-12-24.

Where the $3.96 goes

AAA price as of September 22, 2026; WTI monthly average for August 2026; taxes from Tax Foundation, 2026 edition.
Component$/gallonShareSource
Monthly WTI crude proxy$2.0050.4%EIA monthly WTI
Federal and Texas fuel taxes$0.389.7%Tax Foundation, 2026 edition
Unallocated residual (after the monthly WTI crude proxy and taxes)$1.5839.9%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 Texas is below the U.S. average

State fuel taxes

Texas excise tax is 20 cents per gallon, unchanged since 1991. The site tax table reports 20.0 cents per gallon (Tax Foundation, 2026 edition). Source. Source.

Refining base

29 operating refineries, 6,134,650 b/d (EIA Refinery Capacity Report 2026, as of 2026-01-01). Texas accounts for 33.8% of U.S. operating capacity in that edition.

Supply and fuel specifications

The Texas Gulf Coast is a refining and outbound pipeline supply hub. Yes: federal reformulated gasoline in Houston and Dallas-Fort Worth covered areas. Source. Source.

What a gallon costs in work time

At Texas's median hourly wage of $23.38 (BLS OEWS, May 2025), a gallon of regular costs 10.2 minutes of work. BLS OEWS. Compare gasoline affordability.

State policies that show up at the pump

Policy or supply baseDetailSource
Refining base29 operating refineries, 6,134,650 b/d (EIA Refinery Capacity Report 2026, as of 2026-01-01)Source
State-specific fuel blendYes: federal reformulated gasoline in Houston and Dallas-Fort Worth covered areasSource

State government control

Control in 2026Unified Republican
Years of unified Democratic control, 2001–20260
Years of unified Republican control24
Years of split government2

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

Questions people ask

How does regular compare with the national average?

$0.51 below AAA's national average of $4.47 on 2026-09-22.

How much is state gasoline tax?

Texas excise tax is 20 cents per gallon, unchanged since 1991. The site tax table reports 20.0 cents per gallon (Tax Foundation, 2026 edition). Source. Source.

Does the state have oil refineries?

29 operating refineries, 6,134,650 b/d (EIA Refinery Capacity Report 2026, as of 2026-01-01). Texas accounts for 33.8% of U.S. operating capacity in that edition.

What fuel rules or supply routes matter here?

The Texas Gulf Coast is a refining and outbound pipeline supply hub. Yes: federal reformulated gasoline in Houston and Dallas-Fort Worth covered areas. Source. Source.

What does a gallon cost in work time?

At Texas's median hourly wage of $23.38 (BLS OEWS, May 2025), a gallon of regular costs 10.2 minutes of work.

Compare: all states ranked · Texas 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.