Managing fuel expenses is often a top priority for trucking companies and diesel fleets, making cost-saving strategies at the pump essential. Diesel fuel cards are purpose-built for fleets operating diesel vehicles. These cards offer discounts on fuel, access to truck-friendly fueling locations, and detailed reporting features such as IFTA tracking to simplify expense management.
Whether you’re an owner-operator, run a small business fleet, or oversee a large trucking operation, selecting the right diesel fuel card can help reduce overall fuel spend, provide greater control over purchases, and improve fueling efficiency. In this guide, we’ll review the best diesel fuel cards of 2025, highlight the benefits of each option, and offer guidance on how to choose the right program for your business.
Table of Contents
- Diesel fuel card comparison
- What is a diesel fuel card?
- Best diesel fuel cards
- What is the best diesel fuel card?
- How to get a diesel fuel card
Diesel Fuel Card Comparison
| Fuel Card | Discounts | Monthly Fee | Late Fee | Locations | Best for |
| CFN | Estimated 35¢/gal at discount locations | None | None | 3,000 discount locations; 65,000 gas stations and truck stops | Local and regional trucking companies, small businesses, and large fleets in the Western U.S. |
| Mudflap | Estimated 57¢/gal at in-network locations, 2¢/gal everywhere else | None | 3-6% | 2,800 discount locations, 70,000+ other locations | Small to medium trucking companies, owner-operators, truckers |
| Fuelman Diesel | 12¢/gal for diesel | $39-99 for the account | 17.99% | 60,000 gas stations and truck stops | Small to large businesses |
| AtoB | Estimated 45¢/gal at truck stops; estimated 5¢/gal at gas stations | $3-6 per card | 5% | Anywhere that accepts Mastercard | Small to medium trucking companies |
| TCS | 48¢/gal on average at select truck stop | Unknown | Unknown | 12,000 truck stops | OTR trucking companies |
| Comdata | Cash price and 7-25¢/gal at select truck stops | Up to $8 per card | 13.99% | 8,000 truck stops | Medium to large trucking companies |
| Fleet One Edge | 15¢/gal on average at select truck stop | $8 per card and $7.95 for the account | 6.99% | 12,000 truck stops | Small OTR trucking companies |
| Axle | 27¢/gal average savings | None | 20% | 850 truck stops | Trucking companies, owner-operators, and truckers that prefer Pilot Flying J locations |
| Pacific Pride | Varies by card issuer | Varies by card issuer | Varies | 1,400 discount locations; 65,000 gas stations and truck stops | Local and regional trucking companies, small businesses, and large fleets in the Pacific Northwest |
| Voyager | 3-8¢/gal at select locations | None | None | 97% of gas stations and truck stops | Small businesses and large fleets that need broader station acceptance |
What Is a Diesel Fuel Card?
A diesel fuel card is a fleet fuel card designed specifically for businesses that run diesel vehicles. These cards offer features that matter most to diesel fleets like fuel discounts, access to 18-wheel-friendly truck stations, and reporting tools such as IFTA reports. Many diesel cards also allow purchases for over-the-road essentials such as parking, scales, and maintenance, giving drivers everything they need in one convenient payment solution.
Best Diesel Fuel Cards
1. CFN
The CFN fuel card offers access to over 3,000 discounted cardlock sites and 65,000 retail gas stations and truck stops. Many businesses in the West, especially trucking companies and those operating large vehicles or heavy equipment, prefer CFN because there are more 18-wheel accessible cardlock fueling sites than truck stops in the Western U.S.
Key Features:
- Accepted at 3,000 discount locations and 65,000 gas stations and truck stops
- Cost-plus pricing for customers
- Mobile app to locate sites
- Industry-best spending controls, including fuel type at cardlocks
- Free fraud protection
- User-friendly customer portal with daily prices
- Free fuel reports available
Discounts: Estimated 35¢ per gallon at CFN stations compared to average retail prices
Monthly Fee: None
Customer Rating on Trustpilot: 4.8 out of 5 stars
Best For: Local and regional trucking companies, small businesses, and large fleets in the Western U.S.
2. Mudflap
The Mudflap Fuel Card is a Visa fleet card designed for owner-operators and small to mid-sized trucking fleets. It’s a low-cost option with no monthly fees and strong discounts at over 2,800 in-network truck stops, helping fleets save money on the road. For added convenience, it’s also accepted at more than 70,000 gas stations and truck stops through the Visa Fleet network.
Key Features:
- Accepted at 2,800 in-network truck stops and 70,000+ additional gas stations and truck stops
- Major nationwide discounts, no volume commitments or minimums required
- Mobile app to find the cheapest fuel prices
- Real-time fraud protection that helps prevent driver misuse and card skimming
- Spend controls, centralized reporting, receipt tracking, and driver and card management
Discounts:
- Estimated 57¢ per gallon average discount at 2,800 in-network locations
- 2¢ per gallon rebate at 70,000+ other locations
Customer Rating on Trustpilot: 4.5 out of 5 Stars
Monthly Fee: None
Best For: Small to medium trucking companies, owner-operators, truckers
3. Fuelman Diesel Fleet Card
Fuelman Diesel fleet card is a widely recognized fuel card that is accepted at 60,000 gas stations and truck stops in the U.S. and offers a rebate at 40,000 locations. The company offers multiple account tiers for customers, each with distinct pricing and features.
Key Features:
- Accepted at 60,000 gas stations and truck stops
- Access to many major brands
- Comprehensive spending controls
- Fraud protection up to $25,000 (for Enterprise and Pro customers only)
- Customer portal available
- Fuel reports available
Discounts:
- Up to 12¢ per gallon on diesel
Monthly Fee: $39.99 to $99.99 for the account, based on customer tier, plus other account fees
Customer Rating on Trustpilot: 2.4 out of 5 stars
Best For: Small to large businesses
4. AtoB
AtoB is a fintech company that offers a Mastercard fuel card accepted nationwide. Built for both business and trucking fleets, it provides wide acceptance and flexibility, with the biggest savings typically found at major truck stops, making it a strong option for over-the-road (OTR) operations.
Key Features:
- Accepted nationwide like a Mastercard
- Mobile app to find the cheapest fuel prices
- Comprehensive spending controls
- User-friendly customer portal
- Fuel reports available
- Various software integrations
Discounts:
- Estimated 45¢ per gallon at select truck stops
- Estimated 5¢ per gallon at gas stations
- Small discounts for some non-fuel purchases
Monthly Fees:
- $15 for 1-5 cards, plus $3 for each additional card
- Another $3 per card for AtoB Premium
- Setup fee of $35
Customer Rating on Trustpilot: 4.6 out of 5 stars
Best For: Small to medium trucking companies
5. TCS
The TCS Fuel Card is designed for OTR trucking companies and is accepted at over 12,000 truck stops nationwide. Around 2,000 of those locations are in network and offer exclusive discounts. The card runs on both the Comdata and EFS fuel networks, giving fleets wide coverage and competitive savings on the road. Unlike other cards on this list, the TCS fuel card is cash-secured, meaning you must preload funds onto the card before using it.
Key Features:
- Accepted at 12,000 truck stops
- Mobile app to locate sites
- Maintenance and tire discounts
- Comprehensive spending controls
- Customer portal available
- Fuel reports for trucking fleets
- Freight factoring available
Discounts:
- Estimated 48¢ per gallon at in-network locations
- Tire and service discounts at TA Truck Service Centers
Monthly Fees: Unknown, but transaction fees for out-of-network purchases
Customer Rating on Trustpilot: Not available
Best For: OTR trucking companies
6. Comdata
Comdata is an OTR fuel card accepted at more than 8,000 truck stops nationwide. It’s a great fit for trucking companies, offering cash-price fuel discounts at select stops and an online portal tailored specifically to the needs of over-the-road fleets.
Key Features:
- Accepted at 8,000 truck stops
- Cash price and discounts
- Comprehensive spending controls
- Customer portal available
- Fuel reports for trucking fleets
Discounts:
- 25¢ per gallon at TA Petro
- 10¢ at Pilot Flying J
- 7-8¢ at Sheetz, Casey’s, Love’s, AMBEST, Speedway, and 7-Eleven
Monthly Fees:
- Up to $8 per card
- Setup fee of $50
Customer Rating on Trustpilot: 1.4 out of 5 stars
Best For: Medium to large trucking companies
7. Fleet One Edge
Fleet One Edge, managed by WEX, is an OTR fuel card designed for trucking companies with fleets of 1–50 vehicles. It offers fuel discounts at roughly 2,200 participating truck stops nationwide, making it a good option for small to mid-sized OTR operations.
Key Features:
- Accepted at 12,000 truck stops
- Spending controls available
- Customer portal available
- Fuel reports available
- Freight factoring available
Discounts:
- Estimated 15¢ per gallon at discount locations
- Discounts for select tire brands
Monthly Fees:
- $8 per card and $7.95 for the account
- Setup fee of $75
- $2 per transaction for out-of-network purchases
Customer Rating on Trustpilot: 4.2 (freight factoring) and 1.4 (fuel cards) out of 5 stars
Best For: Small OTR trucking companies
8. Axle
The Axle fuel card is Pilot Flying J’s fleet card designed for diesel fleets that prefer to fill up at Pilot Flying J truck stops. It’s accepted at more than 850 Pilot, Flying J, and One9 Fuel Network locations across the U.S. giving drivers consistent access to fuel and truck services.
Key Features:
- Account access to monitor your transactions
- Set spending controls by card
- 24/7 fraud monitoring and detection
- Maintenance and roadside assistance from Southern Tire Mart at Pilot Travel Centers
Discounts:
- 27¢ per gallon average savings
- Pilot Flying J truck care savings: $30 off any tire or service, 10% off service center hourly rate, no callout fee for roadside service
Monthly Fees: None
Customer Rating on Trustpilot: Not Available
Best For: Trucking companies, owner-operators, and truckers that prefer Pilot Flying J locations
9. Pacific Pride
The Pacific Pride Fuel Card works much like the CFN card, offering access to both discount cardlock sites and 65,000 retail gas stations and truck stops. However, Pacific Pride has about half as many discount sites, around 1,400 compared to CFN’s 3,000, and its network is concentrated mainly in the Pacific Northwest. It’s a solid choice for fleets that operate primarily within that region.
Key Features:
- Accepted at 1,400 discount locations and 65,000 gas stations and truck stops
- Cost-plus pricing for customers
- Mobile app to locate sites
- Robust spending controls, including fuel type at cardlocks
- Fraud protection available
- Customer portal available
- Fuel reports available
Discounts: Varies by card issuer
Monthly Fees: Varies by card issuer
Customer Rating on Trustpilot: Not available
Best For: Local and regional trucking companies, small businesses, and large fleets in the Pacific Northwest
10. Voyager
The Voyager fuel card is accepted at over 97% of gas stations and truck stops nationwide, including both major chains and independent locations, so that you can take advantage of the best diesel prices available. Its scalability and user-friendly fuel card portal make it a strong choice for fleets of all sizes and industries.
Key Features:
- Accepted at 97% of gas stations and truck stops
- Access to major and independent brands so your drivers can choose the best diesel prices
- Mobile app to find the cheapest fuel prices
- Optional maintenance
- Comprehensive spending controls
- Free fraud protection
- User-friendly customer portal
- Free fuel reports available
- Open API for third-party integrations
Discounts: 3-8¢ per gallon at select locations
Monthly Fee: None
Customer Trustpilot Rating: 4.8 out of 5 stars
Best For: Small businesses and large fleets that need broader station acceptance
What Is the Best Diesel Fuel Card?
The best diesel fuel card depends on your fleet’s size, type, and where you run your routes. Below is a breakdown of which cards work best for different kinds of operations.
Best Diesel Fuel Cards for Small Business
- CFN: Ideal for small businesses operating in California, Oregon, Washington, Arizona, and Nevada that want access to discount cardlock locations and strong regional coverage.
- Mudflap or AtoB: Great for small businesses that want the flexibility of a fleet card on a major credit card network, combined with deep truck stop discounts.
- Voyager: Good for small businesses that need nationwide acceptance and advanced fuel controls similar of a closed-loop card, without the extra fees.
Best Diesel Fuel Cards for Owner-Operators and Truckers
- Mudflap or AtoB: Best for owner-operators and truckers looking for deep fuel discounts at most major truck stops nationwide.
- Axle: Best for owner-operators and truckers who primarily fuel at Pilot Flying J locations and want consistent savings and convenience.
Best Diesel Fuel Cards for Medium to Large Fleets
- Comdata or TCS: Best for medium to large OTR trucking companies that primarily fuel at major truck stops.
- CFN: Best for medium to large fleets operating in the Western U.S. that want access to a wide network of discount cardlock locations.
- Voyager: Best for large fleets that need a scalable fuel program with nationwide acceptance and advanced management tools.
How to Get a Diesel Fuel Card
Step 1: Compare Fuel Cards
The first step is to research and compare fuel cards. Here's what you need to look for when evaluating fuel cards.
- Discounts: Look for the card that's going to provide the best fuel discounts for your area or the stations and brands you use.
- Fees: Gather all the fuel card fee information before you sign up so you aren't surprised later. Look for the fee schedule on the credit application for monthly card fees, transaction fees, late payment fees, and other miscellaneous charges.
- Fraud coverage: Read the terms and conditions on the fuel card application to make sure you are covered for fraudulent transactions. Some fuel cards won't cover you for fraud.
- Reviews: Check third-party review sites like Trustpilot to see what real customers are saying. Reviews can give you valuable insight into each fuel card’s strengths, weaknesses, and overall customer experience.
- Demo the fuel card portal: Explore the company’s fuel card management system to ensure it offers the reporting and account management tools your business needs. Some providers offer self-guided demos on their websites, allowing you to see how the software works before signing up.
If you’d like to explore more options, check out the 10 Best Fuel Cards for Business [2025], where we compare the top fuel card programs side by side; including discounts, fees, features, and network acceptance to help you find the best fit for your fleet.
Step 2: Apply Online
Once you’ve selected a fuel card, you can apply online to open your account. Most applications only require basic business details, as providers typically review your company’s credit history for approval. For a detailed walkthrough, check out our step-by-step guide on how to apply for a fuel card.
Step 3: Set Up Your Account
Once you application is approved, the fuel card provider will send you a card order form. You can assign your fuel cards to drivers or vehicles and set the spend controls for each card. You'll also get your login information for your fuel card portal.
Manage Your Fuel Expenses with P-Fleet's Fuel Cards
P-Fleet’s fuel card programs are designed to help businesses track, control, and reduce fuel costs. You can set card-specific spending limits (per day, week, and month), restrict purchases to approved fueling times and states, and receive alerts for any unauthorized transactions, including non-diesel purchases. Online transaction monitoring enables you to address issues proactively, while built-in fraud protection provides another layer of security for your account.
P-Fleet's online portal offers comprehensive reporting tools, enabling you to generate detailed fuel reports for driver monitoring, IFTA filing, and general accounting purposes. Whether you operate a small group of vehicles or oversee a nationwide fleet, P-Fleet’s CFN and Voyager fuel cards deliver robust card features and network coverage to optimize efficiency and maximize cost savings.
