State fuel market
Weekly average from the U.S. Energy Information Administration, week of September 14, 2026. Below: where this sits in its 52-week range, what the price is made of, and what actually moves this market.
WTI crude has risen $15.03/bbl over the past month. Retail gasoline typically follows crude moves with a 2–4 week lag as refined fuel works through the supply chain.
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Ranked by pump price. Click a region to view its dashboard.
| # | Region | Regular ↑ | vs others | vs last wk | Mid | Prem | Diesel |
|---|---|---|---|---|---|---|---|
| ↓ | Texas | $3.806 | +0.188 | $4.30 | $4.65 | — | |
| 2 | Gulf Coast (PADD 3) | $3.852 | +0.167 | $4.36 | $4.70 | $6.03 | |
| 3 | Lower Atlantic (PADD 1C) | $4.041 | +0.181 | $4.51 | $4.87 | $6.10 | |
| 4 | Midwest (PADD 2) | $4.091 | +0.197 | $4.58 | $5.18 | $6.25 | |
| 5 | Florida | $4.102 | +0.242 | $4.56 | $4.86 | — | |
| 6 | Ohio | $4.147 | +0.262 | $4.71 | $5.26 | — | |
| 7 | East Coast (PADD 1) | $4.191 | +0.160 | $4.69 | $5.07 | $6.16 | |
| 8 | Minnesota | $4.223 | +0.146 | $4.59 | $5.16 | — | |
| 9 | Coloradoyou | $4.230 | +0.043 | $4.62 | $4.99 | — | |
| 10 | Massachusetts | $4.253 | +0.093 | $4.85 | $5.27 | — | |
| 11 | New England (PADD 1A) | $4.294 | +0.105 | $4.88 | $5.27 | $6.20 | |
| 12 | U.S. National Average | $4.319 | +0.162 | $4.92 | $5.32 | $6.29 | |
| 13 | New York | $4.339 | +0.079 | $4.86 | $5.29 | — | |
| 14 | Central Atlantic (PADD 1B) | $4.387 | +0.147 | $4.92 | $5.26 | $6.31 | |
| 15 | Rocky Mountain (PADD 4) | $4.438 | +0.124 | $4.77 | $5.12 | $6.07 | |
| 16 | West Coast excl. CA | $5.026 | +0.051 | $5.42 | $5.67 | $6.57 | |
| 17 | West Coast (PADD 5) | $5.467 | +0.105 | $5.88 | $6.08 | $7.25 | |
| 18 | Washington | $5.503 | +0.020 | $5.82 | $6.03 | — | |
| ↑ | California | $5.827 | +0.149 | $6.11 | $6.28 | $8.04 |
Our reading of the last 52 weeks of EIA data for this market. Updated when EIA publishes its weekly survey each Tuesday morning.
At $4.230 a gallon, Colorado is toward the high end of its past-year range. The cheapest week of the last year was $2.188 in January 2026; the most expensive was $4.618 in May 2026. Over the past four weeks the price has moved down 0.6%, and up 7.1% over three months.
Week-to-week, this market is among the most volatile fuel markets in the US — prices vary by 22.6% around their own average, against a typical US regional figure of roughly 5–7%.
Colorado is currently $0.089 below the national average. Its typical gap over the past year has been $0.231 below the nation, so the current gap is $0.142 wider than usual.
| Crude oil | $2.359 | 56% | WTI at $99.08 a barrel ÷ 42 gallons |
|---|---|---|---|
| Federal tax | $0.184 | 4% | 18.3¢ excise plus a 0.1¢ storage-tank fee, unchanged since 1993 |
| State excise tax | $0.220 | 5% | 27th highest total state burden in the US |
| Other state taxes & fees | $0.082 | 2% | Bridge and Tunnel Impact (BTI) Fee: $0.0700/gal, diesel only. Environmental Response Surcharge (ERS): $0.0125/gal, gasoline and diesel. |
| Everything else | $1.385 | 33% | refining, distribution and retail margin |
Tax accounts for 11% of the pump price here — 48.6¢ a gallon, state and federal combined. The “everything else” row is a residual, not a measured margin: it also absorbs local-option taxes and the gap between spot crude and what refiners actually paid for their feedstock weeks earlier. See our methodology for how each row is derived.
Colorado has exactly one refinery, so its outages move the entire state’s average.
Suncor Commerce City is the only refinery in Colorado. When it runs reduced rates — as it has during several unplanned outages — the Front Range has to pull product from Wyoming, Kansas and further afield, and prices respond immediately.
One refinery, processing roughly 98,000-103,000 barrels per day — the largest in the Rocky Mountain region, which tells you how small PADD 4 is. Colorado sits inside the least redundant refining district in the country.
High-altitude markets in Colorado commonly sell 85 octane as regular grade, reflecting reduced knock risk at elevation. Many modern engines specify 87 minimum — check your manual rather than assuming 85 is suitable.
Operating status at Suncor Commerce City. No other single fact matters as much to Colorado pump prices.