Lisa Boerger
Fuel can easily consume 25-30% of an owner-operator’s gross revenue. In a market where 2026 rate growth is expected to be modest and overcapacity is still pressing on margins, the difference between a profitable month and a breakeven month often lives inside your fuel strategy — not your load board.
This is not about minor tweaks. Fuel management is one of the few areas where owner-operators have real, actionable control. Most of them leave money on the table at every fuel stop.
Let’s fix that.
Start Here: Know Your Fuel Cost Per Mile
Before you can manage fuel costs, you need to measure them. Your fuel cost per mile is a simple calculation:
Total fuel dollars spent in a period divided by total miles driven in that period.
If you spent $2,400 on fuel last week and drove 3,000 miles, your fuel cost per mile is $0.80. That number is your baseline. Every strategy in this guide should be measured against it.
Knowing your cost per mile is also foundational to knowing whether a load is worth taking. If a load pays $1.20 per mile all-in but your total cost per mile (fuel, insurance, truck payment, maintenance, etc.) is $1.10, you are making $0.10 per mile. That is before your time and any deadhead miles to get there. The math matters — and fuel is the biggest variable inside it.
Learn more about how LAN helps owner-operators understand their numbers at logisticsassistancenow.com/for-independent-contractors.
Fuel Cards and Discount Networks
Why the Pump Price Is the Wrong Price
Walking up to any truck stop and paying the posted retail price is one of the most expensive fuel habits in trucking. Fuel card programs negotiate volume discounts with major truck stop chains, and those discounts can be meaningful — often several cents per gallon, sometimes more at preferred locations.
Fuel cards to know:
- EFS / WEX: Widely accepted at major chains; common with larger fleets but available to independents
- Comdata: Strong network, used by many carriers and factoring companies
- TCS Fuel Card: Often preferred by smaller operators for its acceptance network and lower minimums
- Mudflap: App-based discount platform that gives independents access to discounts without a carrier account; no credit check required in many cases
- Love’s and Pilot/Flying J loyalty programs: Chain-specific programs that layer on top of cards with additional discounts for fuel volume
Important: Compare the per-gallon discount against any fees (transaction fees, monthly fees, inactivity fees). A card that saves $0.05/gallon but charges a $15 monthly fee requires a certain volume just to break even on the fee alone.
Discount Networks and Load Boards With Fuel Perks
Some load boards and carrier platforms bundle fuel discount access. Truck stop chains also have their own apps and loyalty tiers. If you are buying 500+ gallons per week, those loyalty programs can add up to real savings over a quarter.
Pump Price vs. Cash Price
Pay attention to whether a location posts separate cash and credit prices. Some locations add a surcharge for card transactions. Using a fleet fuel card may get you a discount even above a listed “cash price” — confirm before you pull in.
Fuel Surcharges: What They Are and How to Negotiate Them
A fuel surcharge (FSC) is supposed to compensate carriers for fuel price volatility above a baseline. Most large carriers and brokers use a fuel surcharge matrix tied to the Department of Energy’s weekly average diesel price.
What Owner-Operators Often Miss
If you are leased to a carrier, the FSC your carrier collects from the shipper may or may not pass through to you in full. Read your operating agreement carefully to understand:
- What percentage of the FSC passes through to you
- Whether it is calculated on all miles or only loaded miles
- Whether there is a fuel baseline above which you capture additional FSC
If you are running your own authority and contracting directly with shippers or brokers, FSC should be negotiated into your rate — not treated as a bonus if it shows up. Build it into your per-mile rate discussions and understand the matrix your broker or shipper uses.
Negotiating FSC Into Direct Contracts
Owner-operators with their own authority and direct shipper relationships are in the best position to negotiate FSC terms. Reference the DOE weekly average as your index, establish a clear baseline price, and define the per-mile FSC increment for each $0.10 change in the DOE average. It is a professional conversation, and shippers who want reliable capacity will have it.
The MPG Levers You Actually Control
Miles per gallon is the other side of your fuel cost equation. You cannot control diesel prices, but you can influence how many gallons you burn per mile.
Speed
This is the biggest single MPG lever available to you. Aerodynamic drag increases with the square of speed — meaning driving at 70 mph burns significantly more fuel than driving at 60 or 65. Each additional mile per hour above roughly 55-60 mph costs you in fuel economy. For OTR operators who run at highway speeds for long stretches, slowing down slightly has a measurable impact on total fuel spend.
The tradeoff is time. You have to make the math work against your loaded and deadhead costs to determine what speed makes sense for your operation.
Idling
Overnight idling is expensive. A diesel engine idling for one hour burns approximately 0.8-1 gallon of fuel. If you idle 8 hours overnight on a five-night-out run, that is potentially 40+ gallons per week — just while you sleep. Auxiliary power units (APUs), bunk heaters, and truck stop electrification (TSE) services exist to address exactly this problem. The payback period on an APU depends on your fuel cost and how much you idle, but for full-time OTR operators, it is often worth running the numbers.
Maintenance Matters
Underinflated tires are a silent fuel thief. A tire that is 10 PSI underinflated can reduce fuel economy by 1% or more per tire. For a vehicle with 18 tires, this adds up. Check tire pressure regularly — cold inflation pressure, not hot.
Air filters, oil viscosity, fuel injector condition, and alignment all affect fuel economy. A truck that pulls slightly to one side because of a minor alignment issue is scrubbing tire rubber and burning extra fuel on every mile. Preventive maintenance is not just compliance — it is fuel management.
Weight and Load Optimization
Heavier loads burn more fuel. This seems obvious, but some operators do not factor load weight into their rate negotiation. A load that maxes out your axle weight should command a different rate than a lighter load going the same distance, because it costs you more in fuel to haul it.
Where legal and practical, distribute weight to optimize fuel efficiency. Reduce unnecessary equipment, tools, or cargo in the cab that adds deadweight to every mile.
Routing
Not all routes are created equal. Routing software that accounts for grade changes, stop-and-go traffic, and road conditions can reduce fuel consumption beyond just mileage reduction. Highways with consistent grades and less congestion burn less fuel than equivalent-distance routes through hilly terrain or urban stop-and-go.
IFTA Implications of Fuel Management
If you operate across state lines, you file quarterly IFTA (International Fuel Tax Agreement) returns. IFTA reconciles the fuel tax you paid in each state against the fuel tax owed based on miles driven in each state. Depending on where you buy fuel versus where you drive, you may owe additional taxes or receive a credit.
Fuel management connects to IFTA in two practical ways:
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Where you buy fuel affects your IFTA balance. Buying heavy in low-tax states and running miles in high-tax states creates a balance due. The opposite creates a refund. Understanding your state fuel tax rates — available through the IFTA member state websites — can help you decide where it makes sense to fill up.
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Accurate records are non-negotiable. Every fuel purchase must be documented: date, location, number of gallons, cost. Keep your receipts organized by quarter. IFTA audits happen, and missing documentation means estimated (and often unfavorable) assessments.
IFTA is filed quarterly, due the last day of the month following each quarter. It is one more item on the compliance calendar that owner-operators need to manage consistently.
Explore our services to see how LAN helps operators stay on top of compliance and cost management together.
My Opinion: The Single Habit That Wastes the Most Fuel Money
After working with owner-operators for three decades, I can tell you with confidence: the single habit that wastes the most fuel money is buying fuel out of convenience rather than strategy.
It looks like this: You are getting low. There is a truck stop at the next exit. You pull in and fill up — full tank — without checking the price against the next stop 30 miles down the road, without using your fuel card, and without knowing whether that location has a 10-cent spread over the next chain’s price.
Multiply that across 52 weeks, 150-200 gallons per stop, and you can see how the “convenience premium” adds up to thousands of dollars per year.
The fix is simple: plan your fuel stops the way you plan your routes. Know your network. Know your card discounts by location. Know the fuel tax implications for your current state run. Use an app or your card’s station locator before you pull off. Fifteen seconds of planning at your last stop can save you meaningful money at the next one.
Disclaimer: Fuel tax rates, IFTA rules, and fuel card terms change. Verify current IFTA rates and requirements through your base jurisdiction and consult a qualified professional for tax questions. This post is informational only.
Frequently Asked Questions
What is the best fuel card for an independent owner-operator with no carrier? Several options exist for independents without carrier affiliation, including Mudflap, TCS, and some retail chain loyalty programs. The “best” depends on your regular routes and which truck stop chains are most convenient. Compare per-gallon discounts against fees for your actual fuel volume before committing.
Does idle time show up in an IFTA audit? IFTA is based on miles and gallons, not idle time specifically. However, if your fuel consumption is high relative to your miles (low MPG), an auditor may examine your records more closely. Accurate fuel purchase documentation is the best protection.
Should I try to “fuel hack” IFTA by buying in low-tax states? You can strategically buy more fuel in lower-tax states — it is legal. But the practical benefit depends on your specific route patterns. If it takes you significantly out of the way, the detour cost may exceed the fuel tax savings. Run the math before making a habit of it.
How much does an APU really save on fuel? It depends entirely on how many nights you idle and your diesel price. A full-time OTR operator who idles eight hours nightly will see different savings than a regional driver who is home most nights. Calculate your current idling gallons per week and price it out before purchasing.
My fuel surcharge is built into my broker’s rate — do I still need to track it separately? Yes. Even when FSC is bundled into a per-mile rate, you should know what portion of your revenue is FSC-based versus base freight rate. This matters for your cost analysis and for future rate negotiations when fuel prices change.
Take Control of Your Biggest Variable Cost
Fuel is the one major operating cost where strategy, habit, and knowledge create real margin. In a market where rate growth is modest and every cent of cost per mile matters, fuel management is not optional — it is a competitive advantage.
Logistics Assistance Now works with owner-operators and small fleets on exactly these operational fundamentals. If you want to understand your cost structure and find where you are leaving money on the table, book a free consultation at logisticsassistancenow.com/contact.
