Regional fuel market
Weekly average from the U.S. Energy Information Administration, week of November 2, 2026. Below: where this sits in its 52-week range, what the price is made of, and what actually moves this market.
The EIA reports this region as PADD 4, one of five districts it uses for fuel data.
The U.S. oil price has risen $13.60 a barrel over the past month. Gas prices usually catch up within 2 to 4 weeks, as fuel made from that oil reaches stations.
Our reading of the last 52 weeks of EIA data for this market. Updated when EIA publishes its weekly survey each Tuesday morning.
At $4.213 a gallon, Rocky Mountain is in the middle of its past-year range. The cheapest week of the last year was $2.403 in January 2026; the most expensive was $4.587 in May 2026. Over the past four weeks the price has moved down 4.6%, and up 1.8% over three months.
Week-to-week, this market is among the most volatile fuel markets in the US — prices vary by 20.7% around their own average, against a typical US regional figure of roughly 5–7%.
Rocky Mountain is currently $0.060 above the national average. Its typical gap over the past year has been $0.083 below the nation, so the current gap is $0.143 wider than usual.
Ranked by pump price. Click a region to view its dashboard.
| # | Region | Regular ↑ | vs others | vs last wk | Mid | Prem | Diesel |
|---|---|---|---|---|---|---|---|
| ↓ | Texas | $3.578 | -0.054 | $4.10 | $4.44 | — | |
| 2 | Gulf Coast | $3.636 | -0.066 | $4.17 | $4.51 | $5.91 | |
| 3 | Lower Atlantic | $3.695 | -0.137 | $4.19 | $4.57 | $5.81 | |
| 4 | Florida | $3.791 | -0.226 | $4.27 | $4.60 | — | |
| 5 | East Coast | $3.936 | -0.086 | $4.45 | $4.85 | $6.03 | |
| 6 | Minnesota | $4.017 | -0.129 | $4.39 | $4.97 | — | |
| 7 | Colorado | $4.068 | -0.390 | $4.46 | $4.83 | — | |
| 8 | Ohio | $4.090 | -0.290 | $4.67 | $5.26 | — | |
| 9 | Midwest | $4.102 | -0.167 | $4.58 | $5.20 | $6.40 | |
| 10 | Massachusetts | $4.104 | -0.041 | $4.75 | $5.14 | — | |
| 11 | New England | $4.145 | -0.054 | $4.79 | $5.16 | $6.42 | |
| 12 | U.S. National Average | $4.153 | -0.116 | $4.76 | $5.16 | $6.29 | |
| 13 | Rocky Mountainyou | $4.213 | -0.245 | $4.57 | $4.89 | $6.45 | |
| 14 | New York | $4.217 | -0.032 | $4.73 | $5.15 | — | |
| 15 | Central Atlantic | $4.232 | -0.019 | $4.75 | $5.11 | $6.49 | |
| 16 | West Coast outside California | $4.771 | -0.097 | $5.19 | $5.43 | $6.58 | |
| 17 | Washington | $5.095 | -0.108 | $5.42 | $5.63 | — | |
| 18 | West Coast | $5.296 | -0.121 | $5.77 | $5.94 | $7.27 | |
| ↑ | California | $5.748 | -0.140 | $6.07 | $6.20 | $8.08 |
Gasoline is made from crude oil, so oil prices lead pump prices by a few weeks. Prices are in dollars per barrel (42 gallons). Traders call the U.S. price WTI and the world price Brent.
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| Crude oil | $2.552 | 61% | U.S. oil (WTI) at $107.17 a barrel ÷ 42 gallons |
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Tax is not broken out for multi-state regions because each state within Rocky Mountain sets its own rate. See our state gas tax comparison for every rate in the country.
Diesel is running at $6.445, a spread of $2.232 over regular. Diesel and home heating oil come off the same refinery stream, so that gap usually widens in winter.
The Rocky Mountain region is the smallest refining district in the country, so a single plant going down moves prices across several states.
The Rocky Mountain region is isolated from both the Gulf Coast and the West Coast by distance and terrain. It supplies itself from a small set of local refineries running regional and Canadian crude, with limited ability to import product quickly when something breaks.
The region accounts for only a few percent of US refining capacity, spread across small plants in Montana, Wyoming, Utah and Colorado. There is very little spare capacity in the system.
High-altitude markets historically permit lower-octane regular gasoline — 85 octane is commonly sold where most of the country sells 87 — because air density reduces knock risk. Check your owner’s manual before assuming 85 is appropriate for your vehicle.
Maintenance schedules and unplanned downtime at the region’s handful of refineries — there is no redundancy to absorb them.