Choose a Fuel Card That Saves Your Small Fleet Money

Are fuel cards worth it for a small business?

Fuel cards are worth it when they reduce admin work and unauthorized spending without pushing drivers toward costly or inconvenient stations. They are not automatically cheaper fuel. The right decision is operational first, promotional second.

Start with the route reality check. Pull the stations used on ordinary routes, then add backup stops for late runs, different territories, and roads where a detour costs time. Shell's early-2025 survey found that 40% of fuel-card users ranked access to a wide station network among their top five benefits, while 49% cited easier fuel-expense tracking and management. Those priorities belong in the same test: acceptance without usable records is incomplete, and reporting without practical acceptance creates driver workarounds.

The acceptance model changes the tradeoff. The FTC court opinion describes Fuelman network cards, Mastercard cards accepted at fuel and maintenance sites that accept Mastercard, and co-branded cards usable on either network. Wider acceptance can reduce detours; it can also change the fees or discount eligibility. Do not treat the word “universal” as the answer. Treat it as a question: “Which stations on our route can use this card, and what does each stop cost?”

There is also an accountability case. In the FTC record, 90% to 95% of Corpay customers were small and medium-sized businesses, and roughly 75% had 10 or fewer cards. Small fleets do not need a large-fleet process. They need one clean owner for every card, one review rhythm, and a report that can be matched to vehicle activity. If vehicle spending is rising, apply the same discipline used when deciding whether to get a second opinion on a car repair estimate: compare the full cost, not the first plausible explanation.

How much can a fuel card save my business?

A fuel card saves your business only when its discount or rebate is larger than the fees and extra fuel cost created by its network rules. Use a net-cost calculation, not a headline-rebate comparison.

Run this short calculation for each candidate: published rebate or discount value minus setup fees, recurring card fees, transaction fees, delivery fees, and route-related fuel cost. Leave any unlisted program-specific rebate as “not published” until the provider gives it in writing. That is not cautious paperwork. It is the whole purchase decision.

The fee risk is concrete. The FTC opinion discusses a convenience-network surcharge that could be the greater of $0.10 per gallon or $2.50 per transaction at selected sites. Separately, WEX Select terms list a $40 setup fee, a $4 monthly card charge, a $1.25 truck-stop transaction fee, $2 to $3.50 replacement-card fees, and a $10 monthly paper-delivery fee, while noting that actual program pricing varies.

Retail card purchases can also cost more than another fueling approach. The City of Denton audit found its retail fuel-card purchases were about 20% to 30% more expensive per gallon than its bulk fuel purchases for fuel products in calendar year 2022. That finding does not set your price. It sets the question: compare the card with your real alternative, not with an assumed saving.

What fuel card fees should I look for?

Look for fees at every point where a driver, station, card, or statement can trigger a charge. If a fee is not visible in the comparison, ask for the schedule before approval.

1. Setup and recurring fees. Ask, “What does the account cost before one gallon is purchased?” WEX Select lists a $40 setup fee and a $4 monthly card charge.
2. Per-transaction and location fees. Ask, “Which transactions create an added charge at truck stops, convenience sites, or out-of-network locations?” The cited WEX terms list a $1.25 truck-stop transaction fee, and the FTC record describes the potential convenience-network surcharge.
3. Administrative fees. Ask, “What will reporting, paper delivery, replacement cards, or account changes cost?” The WEX schedule lists a $10 monthly paper-delivery fee and replacement-card charges.
4. Lost rebate conditions. Ask, “Does wider acceptance remove the discount?” Under the cited WEX terms, enhanced-card accounts are not eligible for fuel discounts.

Use a weak question versus a strong one. Weak: “What is the rebate?” Strong: “Show the rebate, every fee, and the network rule that applies to each of our expected stops.” The second question reduces the cognitive load later, when a monthly invoice has more moving parts than the sales page did.

Read invoices, not just dashboards. The FTC court record found only 25.23% of surveyed customers saw fees on invoices or fuel-management reports, and 38% in a 2020 internal survey named fees as their top reason for leaving. Make fee review a monthly drill: compare invoice line items with the fee schedule and flag anything your approval team cannot explain.

Should I choose a branded card or a universal fleet card?

Choose a branded or network-focused card when it covers your recurring route at the lowest verified net cost; choose wider acceptance when missed coverage would create costly detours or disrupt work. The decision is coverage versus pricing, not old-fashioned versus modern.

Run a station-by-station test before signing. List each usual fueling stop, its backup, the expected network, the fee condition, and whether the purchase control works there. WEX says control effectiveness depends on merchant product codes, third-party network information, and point-of-sale equipment; some controls cannot be enforced at the terminal. That means a broad network does not eliminate the need to reconcile.

Set controls anyway, then add a human check. The Denton audit found that nearly 30% of issued cards could not be located and that fuel-type restrictions and daily gallon limits were not used because complete vehicle information was not centrally maintained. It also found about $1,300 in 2022 transactions labeled general merchandise, future defined, or car wash despite merchant-category restrictions. Assign each card to a driver and vehicle, keep vehicle details current, and review exceptions against the route and fuel type.

Accounting is the final filter. The IRS Publication 463 says eligible ordinary and necessary business transportation expenses may be deductible when applicable rules are met, and actual-expense accounting includes vehicle operating and maintenance costs such as fuel. It also requires records supporting business expenses and separation of business and personal use where applicable. Do not combine actual fuel-cost deductions indiscriminately with the 2025 standard mileage rate of $0.70 per business mile; that rate already incorporates vehicle operating costs.

Finish with one practical assignment this week: take the last month of fuel transactions, mark every actual station, assign every card to a driver and vehicle, and ask each provider for the exact fees and discount conditions for those stops. The card that survives that worksheet is the card worth considering.