Fuel Is the Hidden P&L of Every Auto Transport Business

The Line Item That Runs Your Business

Fuel is not just a cost of doing business. It is THE cost of doing business. Super Dispatch CEO Matt Bradley confirmed in a May 2026 interview with FreightWaves that fuel accounts for roughly 25% of a carrier’s cost structure — the single largest variable operating expense in the business. Every rate you quote, every load you accept, every route you plan is downstream of what you paid at the pump this week.

Yet for most carriers, particularly independent operators and small fleets, fuel costs may still be managed reactively. You fill up when you need to. You pay what the sign says. You hope the math works out at the end of the quarter. In a stable price environment, that approach is survivable. In a volatile one, it’s a slow bleed.

2026: A Masterclass in Price Volatility

This year began with real optimism on fuel costs. The consensus, grounded in EIA projections, was that diesel would average around $3.47–$3.50 per gallon, down from $3.75 in 2025.

Then came the disruption. The closure of the Strait of Hormuz, a chokepoint carrying approximately 20 million barrels per day, roughly 20% of global maritime oil trade, was described as the largest energy supply disruption since the 1970s. The IEA’s emergency release of 400 million barrels, the largest in history, provided temporary relief without reversing the underlying supply picture. In under three months, diesel surged more than 56%, climbing from roughly $3.60 to $5.64 per gallon, steeper and faster than the 2022 spike. The national average jumped nearly 29 cents in a single week ending May 4, the largest sequential weekly increase since mid-March.

The 2026 conflict in the Middle East has triggered what the International Energy Agency describes as the largest supply disruption in the history of the global oil market. Diesel is typically one of the first places that kind of shock shows up at the pump — and it did.

IFTA: The Quarterly Reckoning Most Carriers Underestimate

There is another dimension to fuel that doesn’t show up at the pump but arrives four times a year with real financial teeth: the International Fuel Tax Agreement, or IFTA.

IFTA is the cooperative agreement between all 48 contiguous U.S. states and 10 Canadian provinces that governs how interstate carriers report and pay fuel taxes. Before IFTA existed, a carrier running routes through multiple states had to manage separate fuel permits and tax filings for every jurisdiction they crossed — a massive administrative burden. IFTA replaced that system, consolidating all reporting into a single quarterly return filed with your base state, which then redistributes tax to each jurisdiction where you operated.

On paper, IFTA is a simplification. In practice, it creates a compliance obligation that is more complex, and more financially consequential, than many carriers realize.

Here’s how the math works: IFTA taxes are assessed based on where miles are driven, not where fuel is purchased. Your base state acts as a clearinghouse, processing all credits and debits across every jurisdiction you operated in. Fuel purchased in a low-tax state generates credits; fuel burned in a high-tax state generates a liability. The difference arrives as a refund or a bill every quarter — determined largely by routing decisions made weeks earlier.

IFTA applies to any carrier operating qualified motor vehicles across state lines — vehicles with two axles over 26,000 lbs GVW, or any vehicle with three or more axles regardless of weight. That covers the overwhelming majority of auto transport equipment on the road.

 *If the deadline falls on a weekend or holiday, it rolls to the next business day. Sources: TiPro Services IFTA Guide & Clue IFTA Compliance Guide, April 2026

 Filing is mandatory every quarter the IFTA license is active, even if no interstate travel occurred. A “zero return” must still be submitted or the carrier risks late penalties, interest charges, and potential license revocation.

Most base jurisdictions now require electronic filing for carriers with computer access, and accurate IFTA records also support broader financial management — helping carriers understand true fuel costs, mileage, and potential tax deductions tied to their operation. Importantly, base jurisdictions are required to audit approximately 3% of licenses annually, and late or inconsistent filings consistently trigger them.

The Financial Picture Most Auto Haulers Are Flying Blind On

For auto transport operators, especially independent carriers and small fleets, fuel management, IFTA compliance, and business finance tend to exist in separate silos, managed through separate tools or, more often, spreadsheets and memory.

The carrier who fills up in Texas, runs a load to Illinois, stops for fuel in Ohio, and returns through Tennessee has created a multi-jurisdictional fuel tax event with real downstream implications. Without clean records of every fuel purchase, the quantity, location, and price paid, their IFTA return is built on estimation. That invites scrutiny.

Independent drivers and smaller fleets operate with tighter margins and have limited ability to absorb rising costs. In many cases, higher fuel prices force smaller operators to reject lower-paying loads or reduce their operating range — both decisions with compounding long-term consequences.

Tips for Financially Healthy Carriers

The carriers who consistently hold their margins through volatile fuel environments aren’t necessarily larger or more sophisticated. They’ve built better habits, and increasingly better tools, around a few core disciplines:

• Track fuel cost per mile, not just total fuel spend. Total spend is a lagging indicator. Cost per mile, updated week over week against current diesel prices, tells you whether your rates are keeping pace with your actual operating costs in real time. Super Dispatch’s KPI guide identifies Miles per Gallon and cost per delivery as essential operational metrics for auto transport carriers.
• Treat fueling decisions as tax planning. Where you buy fuel has direct IFTA implications. Carriers who understand the tax rates across the states they operate in can structure fuel purchases in ways that reduce their quarterly IFTA liability. This is one of the highest-leverage and least-utilized margin levers available to small carriers.
• Use data to anchor rate conversations. Our Fuel & Transport Cost Tracker shows auto transport prices up 17.86%, with the 7-day average at $0.99/mile. That’s a number you can bring to a rate negotiation with a broker or shipper and defend with evidence, not instinct — and accurate, data-driven pricing benefits carriers, brokers, and shippers alike.
• Separate fuel cash flow from operating cash flow. Purpose-built fuel cards that automatically capture purchase data streamline IFTA tracking and can reduce your fuel cost burden through meaningful savings at the pump. The best tools eliminate the manual data entry that makes quarterly filing a scramble.
• File IFTA on time, every quarter, with documentation to back it up. The best IFTA tools reduce manual entry, keep records consistent, and make it easy to produce audit-ready reports — turning a quarterly compliance event into a routine process. The cost of a late filing or triggered audit almost always exceeds the time investment of keeping clean records.

The Tools Are Catching Up to the Problem

For a long time, the auto transport industry’s approach to fuel management lagged behind the scale of the problem. Fuel cards existed, but weren’t purpose-built for auto haulers. Data tools existed, but required manual entry. IFTA software existed, but didn’t connect to the broader financial picture of running a carrier operation.

At Super Dispatch, we’ve been building toward this directly. Our Auto Transport Fuel & Transport Cost Tracker gives carriers, brokers, and shippers a live view of diesel prices and how those prices translate to the actual cost of moving a car today versus last week or last year. It’s the difference between gut-feel pricing and data-anchored pricing.

And with the upcoming launch of SuperCard, we’re closing the loop between visibility and action. SuperCard is designed to give carriers access to exclusive fuel discounts to directly offset pump costs — while automatically capturing the purchase data carriers need for IFTA compliance and real-time financial visibility.

The Bottom Line

Fuel isn’t a background cost in auto transport. It’s a primary driver of whether your business is profitable on any given week, quarter, or year. With diesel at $5.64 per gallon as of May 4, 2026 — the highest weekly average since May 2022 — and no clear relief in sight as uncertainty persists around global supply routes, the carriers who treat fuel management as a core business discipline are the ones who build something durable.

The tools to do this are no longer out of reach. Real-time pricing data, smart fuel cards, and integrated compliance tracking are available today and improving. The question is whether your operation is set up to use them — or whether you’re still flying blind on the single line item that most determines your margins.

We think you deserve better than that. And we’re building it.

See What Fuel Is Actually Costing the Industry Right Now

Our free Auto Transport Fuel Cost Tracker gives you live diesel pricing and its real impact on the cost to move a car — the data you need to price with confidence and negotiate from a position of knowledge.