If a fuel-price forecast misses, first check that it and the price you are comparing it with refer to the same fuel, grade, location, unit, and time period. For a decision you need to make now, use the latest local price observation—not a forecast for a future period. Then investigate what may have changed and update your budget or plan with uncertainty in mind.
Check that the forecast and price are comparable
A difference does not necessarily mean the forecast failed: the two figures may be measuring different things. Before drawing a conclusion, align these details:
- Fuel and grade: Compare gasoline with gasoline or diesel with diesel, and match the grade where applicable.
- Price measure and unit: A retail pump price is not a wholesale price. Confirm the currency and unit, such as dollars per gallon.
- Geography: A national average is not a prediction for a particular region or station. Local supply and transport conditions can make prices diverge.
- Time period and release: Match the forecast period to the observation period, and note which forecast release you are evaluating.
- Price basis: Check whether the figures are nominal or inflation-adjusted, and whether the forecast is a point estimate or a range of scenarios.
For U.S. gasoline and diesel, the EIA Gasoline and Diesel Fuel Update reports recent and historical retail prices by region, grade, and formulation. The EIA Short-Term Energy Outlook (STEO) is a forecast product, with monthly, quarterly, and annual outlooks for the current year and one to two years ahead. Check the latest releases: both observations and forecasts change.
Use observed prices for decisions you must make now
If you are filling up, setting a near-term travel budget, or estimating this week’s operating costs, use the latest relevant local observation. A forecast estimates a future period; it is not a live quote for your station. The EIA weekly update is more appropriate for checking recent regional prices, while STEO helps frame future planning.
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For an immediate expense, update the assumption in your budget or operating plan to reflect the current price. For a decision that depends on future prices, avoid treating one forecast number as certain. Build in a range or a higher-cost contingency, especially if a miss would materially affect your plans.
Look for reasons the forecast and outcome diverged
Retail fuel prices are affected by more than crude oil. The EIA identifies crude oil, refinery margins, distribution costs, retail margins, and taxes as components of the U.S. pump price. Its 2023 analysis attributed 57% of the U.S. retail gasoline price to crude oil and 18% to refining margins, based on 2022 data; those shares describe that historical year, not a current breakdown.
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Changes in global supply and demand, inventories, refinery capacity, transport constraints, local disruptions, taxes, or consumer behavior can all contribute to a difference between an outlook and what drivers experience. Some effects are regional or temporary: a national forecast can be broadly informative while missing a local disruption or a short-lived price move.
These factors help explain a miss, but a single price difference does not identify its cause. First make sure the comparison is aligned, then consider which conditions changed during the forecast period.
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Account for differences in price reporting
Even two legitimate U.S. price indicators may not move in lockstep. EIA’s retail price update is weekly; the Bureau of Labor Statistics’ motor-fuel CPI is a monthly index. Their timing and methods differ, so a weekly pump-price change may not appear in the monthly index in the same way or at the same time. The BLS explanation of how motor fuel is measured in the CPI describes that distinction.
When comparing a forecast with an index or price series, check what each measures and how often it is collected. Do not grade an annual-average forecast against one day’s price, or mistake a later forecast revision for the original forecast.
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Evaluate a forecast fairly
- Save the forecast vintage. Record the publication date or release used and the period it forecast.
- Choose the matching observation. Compare the forecast with the corresponding later average or period—not an unrelated snapshot.
- Align the basis. Match fuel, grade, geography, unit, retail or wholesale measure, and nominal or inflation-adjusted dollars.
- Keep uncertainty visible. If the forecast supplied scenarios or a range, compare the result with that range rather than judging only the central estimate.
- Separate accuracy from usefulness. A forecast may miss the final price yet still help identify risks or plan for more than one plausible outcome.
Use scenarios instead of relying on one future price
When future fuel costs matter, plan around more than one outcome. EIA’s April 2023 scenario exercise modeled 2023 U.S. retail gasoline prices from $3.13 to $4.03 per gallon and average household gasoline spending from $2,140 to $2,730, depending on alternate crude-oil assumptions. Those were scenario outputs published in 2023—not current prices or present-day spending guidance. The example shows why a range can be more useful for planning than a single point estimate.
For your own plan, identify the price level that would change your decision, then test whether the plan still works at a higher cost. Use current local observations for costs already being incurred and the latest relevant forecast as one uncertain input for future costs.
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Where to check U.S. gasoline and diesel prices
- EIA Gasoline and Diesel Fuel Update: recent and historical regional retail price observations.
- EIA Short-Term Energy Outlook: monthly forecast releases, including monthly, quarterly, and annual U.S. gasoline price outlooks.
These sources cover U.S. prices and outlooks; they should not be treated as global price data. For an individual purchase, a regional average is still not a guarantee of the price at a particular station.
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