Why compare diesel fuel prices by state?

Comparing diesel fuel prices by state helps truck drivers and fleet managers plan fuel stops, reduce operating costs, and understand how state fuel tax differences affect total trip expense.

Latest US Diesel Fuel Prices & IFTA Adjusted Costs by State

Q: What are IFTA adjusted fuel prices?

IFTA adjusted fuel prices show the average diesel price in a state minus that state's IFTA tax rate, which helps carriers estimate the real effective fuel cost for IFTA reporting and trip planning.

Q: How does IFTA affect diesel fuel costs?

IFTA affects diesel fuel costs because quarterly fuel tax calculations are based on miles driven and fuel purchased in each jurisdiction, so the pump price alone does not always reflect the true cost per gallon.

Understanding IFTA Miles and Fuel Costs

For anyone running a trucking business or managing a fleet, understanding your IFTA miles and diesel fuel costs is key to keeping expenses under control. IFTA (International Fuel Tax Agreement) requires carriers to track the miles driven and fuel purchased in each state. These numbers are then used to calculate your IFTA fuel tax for each quarterly report.

It’s easy to think the cheapest pump price automatically means the best deal, but under IFTA, that’s not always true. A state with a higher pump price but a higher tax rate can actually end up being cheaper overall once the IFTA credits and debits are applied. By comparing diesel prices and IFTA tax rates in each state, truck drivers and fleet owners can make smarter fueling decisions, improve IFTA compliance, and save money over time.

If you want to simplify this process, using an IFTA calculator, a fuel tracking app, or an IFTA mileage tracker can help you see the true cost per gallon in real time and keep your IFTA reporting accurate each quarter. Knowing how IFTA impacts your fuel costs is one of the easiest ways to increase profitability and keep your trucking business running efficiently.

Use the toggle below the map to compare the average diesel price in each state with the IFTA adjusted fuel cost (Average Price – IFTA Rate). See how IFTA fuel taxes affect your real cost per gallon in each state.

Show IFTA adjusted prices (AVG Price - IFTA Rate)

* Disclaimer: Data is for informational purposes only and may not reflect the most current prices or IFTA tax rates. Always confirm with official state sources.

Diesel fuel price FAQ for IFTA reporting

What are IFTA adjusted fuel prices?

IFTA adjusted fuel prices are the average diesel prices by state minus the IFTA tax rate for that state. This gives truckers and fleets a clearer view of their effective fuel cost when planning routes and filing quarterly IFTA reports.

Why should truckers compare diesel prices by state?

Comparing diesel prices by state helps identify better fuel stop opportunities, but it also helps explain how fuel tax differences change the real cost per gallon. For IFTA reporting, the cheapest posted pump price is not always the best overall fuel decision.

How does IFTA affect diesel fuel costs?

IFTA affects diesel fuel costs because carriers owe or receive fuel tax adjustments based on where miles were driven and where fuel was purchased. Looking at IFTA adjusted fuel prices helps owner-operators and fleet managers estimate those tax effects faster.

What app can help track IFTA miles and fuel purchases?

IFTA Track helps truckers, dispatchers, and fleet operators track IFTA miles by state, log fuel purchases, calculate trip MPG, and export trip reports for quarterly IFTA filing.