Reg US avg$3.87Diesel US avg$4.887-day reg+0.07AAA pull13 Jul 2026 2:24 p.m. ET
gaspricesbystate
Updated 2:24 p.m. ET, Monday, July 13, 2026. Sources: EIA weekly, AAA daily, GasBuddy.

Fleet fuel card reconciliation - flag overspend by state average

The typical 25-truck OTR fleet runs $750-1,500 per month of preventable fuel leakage: drivers buying off-route, choosing premium grades, or hitting expensive corridors. Reconciling fuel-card receipts to EIA state diesel averages catches it. [EIA · 13 Jul 2026]

How the reconciliation works

  1. Export your WEX, Comdata, or EFS fleet card transactions for a week (CSV).
  2. For each transaction, fetch the state-of-purchase EIA diesel average for the week.
  3. Compute the cents-per-gallon delta. Flag anything more than 25 cents over the state average.
  4. Cross-check off-route flags using the truck's GPS log.

Typical leakage patterns

  • Premium-grade buys (truck does not need it).
  • Out-of-network station surcharges.
  • Off-route detours adding miles for cheap-station claims that net out negative.
  • Late-night cardless fuelling at high-price tourist stops.

IFTA filing

The same dataset feeds quarterly IFTA filings; the IFTA Quarterly Tax Matrix sets per-state surcharge rates. [IFTA · 13 Jul 2026]

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Related

all diesel · trucking corridors · off-road diesel