Gas prices in the USA today
Regular gasoline averages $4.07 a gallon across the United States in the week of 31 August 2026, and on-highway diesel $5.60 — official weekly retail averages from the U.S. Energy Information Administration, including taxes.
The tick is the 4-week average, $4.05/gal — today sits 0.5% above it.
Down 0.3% on the week, down 0.2% on the month and up 28.1% on the year.
The EIA has published this weekly since August 1990. See the full history back to 1990, nominal and inflation-adjusted →
- Current price $4.07/gal is 0.5% above the 4-week average
- Sits at 75% of the 52-week range ($2.78–$4.50/gal)
Gas price heat map · all 51 states
Each colour band holds about the same number of entries, so shade shows rank within the 51, not distance in money. Every tile also carries its own price.
USD per gallon, AAA daily averages for all 51 states. Colour follows the cheap→expensive scale — click any state. These are a different survey from the EIA weekly table below and will not match it exactly. Source: AAA — Daily State Gas Price Averages, 2026-09-09.
Compare two states
Side-by-side prices for every pair of states that share a border, plus the comparisons people ask for most — each one showing how much of the gap is tax rather than fuel.
The answer, in full — and where it comes from
As of 31 August 2026, regular gasoline in the United States averages $4.07/gal, the national average. Source: Weekly retail gasoline and diesel prices, U.S. Energy Information Administration (a government publication, published weekly). Retrieved by FuelWide on 9 September 2026.
Midgrade gasoline in the United States averages $4.68/gal. Premium gasoline in the United States averages $5.07/gal. Diesel in the United States averages $5.60/gal.
- Price:
- $4.07/gal
- Fuel:
- Regular gasoline
- Price basis:
- National average
- Applies to:
- the United States (national level)
- Measured:
- 2026-08-31
- Retrieved:
- 2026-09-09
- Source:
- U.S. Energy Information Administration — a government publication
Weekly retail gasoline and diesel prices · How we measure this
Frequently asked questions
What is the average gas price in the US today?
The US average for regular gasoline is $4.07 per gallon for the week of 2026-08-31 (official U.S. EIA data). Midgrade averages $4.68 and premium $5.07.
How much is diesel in the US?
On-highway diesel averages $5.60 per gallon this week nationwide.
Which state has the most expensive gas?
Across all 50 states and DC (AAA, 2026-09-09), California has the most expensive regular gas at $5.88/gal, while Indiana is the cheapest at $3.49/gal. Among the large states the EIA tracks weekly, California is typically the most expensive on the mainland.
Did gas prices go up or down this week?
The US average for regular fell 0.3% versus last week.