Save on gas and diesel at 30,000+ stations, keep every tech’s spending in check, and build business credit. Powered by AtoB.
More ways to save. One card that pays for itself.
Savings don’t stop at the pump. With the Mister Sparky Fuel Card, your business saves on fuel, on fraud, and on the tires, repairs, and roadside help that keep your vehicles on the job.
A weekly line of credit so your techs fuel now and you pay once a week
Load funds, set the limits, and hand it to the crew. No credit check needed.
Fuel up at the stations already on your route. The card is accepted anywhere Mastercard is, and the AtoB app shows the discounted price before you pull in.
Estimate your yearly fuel savings with the Mister Sparky Fuel Card
See every fill-up as it happens. Set limits per card, lock a card between jobs, and run reports at month end, all from your phone or laptop.
Your card unlocks discounts from AtoB partners on the things that keep your vehicles working.
The Mister Sparky Fuel Card discount network saves you an average of 5¢ per gallon and up to 20¢ per gallon on gas* at merchant partner stations like 7-Eleven, Speedway, RaceTrac, Murphy USA, QuikTrip, Sheetz, Casey’s, Kwik Trip, Cumberland Farms, and more. You can find participating stations in the fuel map in the AtoB app, and your discounts show up on your statement.
Yes. Discounts apply to gas at participating merchant partner stations, so they work for the vans, pickups, and service vehicles your team drives every day, not just trucks.
Your discounts show up on your statement, and the AtoB app gives you level 3 fueling data for every transaction, including fuel type and volume, so you can see exactly where your fuel budget goes.
You can save on the gas you purchase, with no limits on discounts. You can also use the card on other vehicle-related expenses including maintenance, tolls, tires, and more.
A fuel card is built to save your business money on every fill-up at participating stations, protect you with spend controls, and give you the fueling data you need to run your fleet. The Mister Sparky Fuel Card is accepted anywhere Mastercard is accepted, so your team can fuel up wherever their day takes them.
The Mister Sparky Fuel Card is accepted anywhere Mastercard is accepted, covering just about every fuel station nationwide. Fleet managers can set spend controls, so some purchases may be restricted based on your account settings.
Yes! Fleet managers and operations teams can easily set card limits for groups of cards, contractors, or team members, so every dollar goes where it should.
Not all fuel cards build credit, but this one does, even on prepaid cards! AtoB regularly reports to Experian, Equifax and D&B to help small businesses build credit.
No. You don’t need a business credit score to apply. All information is submitted securely to AtoB.
Businesses that are part of the Mister Sparky network are eligible to apply.
AtoB manages the Mister Sparky Fuel Card, so all card and account support goes through the AtoB support team at support@atob.com.
*Average discounts of 5¢ on gasoline and auto diesel and 42¢ on truck stop diesel refer to realized average savings per gallon across AtoB customer transactions at AtoB Discount Network merchant partners during H1 2026. The up to discounts of 20¢ (gasoline and auto diesel) and $2.50 (truck stop diesel) refer to max realized savings per gallon across AtoB customer transactions at AtoB Discount Network merchant partners during H1 2026. Discounts vary by location and are subject to change.
**The 21¢ per gallon savings from AtoB’s fraud prevention features is substantiated by customer savings recorded in AtoB’s real-time reporting from Q4 2024. On average, customers save 21¢ per gallon from card security features: 10¢ per gallon with spend restrictions, 6¢ with card unlock security, and 5¢ with telematics.
***Savings estimates are for illustration only and assume the H1 2026 average AtoB Discount Network savings of 5¢/42¢ per gallon. Actual savings vary with where you fuel, fuel prices, and discount eligibility.
The Mister Sparky Fuel Card, powered by AtoB, is offered in partnership with the Mister Sparky. Mister Sparky is not a lender or card issuer.
The Mister Sparky Fuel Card is issued by Celtic Bank pursuant to a license from Mastercard International. The specific issuing bank for your card will be identified on the back of your card and in your account agreement. The Mister Sparky Fuel Card is subject to approval.
See full terms and conditions here.