Guides
The library, organized by decision
Every guide is written for someone with a budget to defend, a fleet to run, or a household to drive. No filler, no SEO sludge.
Fleet
Fuel card discounts, explained: per-gallon, rebates, and the fees you don't see
Quick answer: most fuel card "discounts" are per-gallon rebates off the posted retail price at in-network stations. Out-of-network fuel, transaction fees, and monthly fees can erase the headline number — read the fee schedule.
June 9, 2026 · 7 min read
Consumer
Why gas prices change by location (and what you can do about it)
Quick answer: state and local fuel taxes, refinery proximity, fuel-blend rules, brand markup, and station-level competition explain almost all of the price differences you see between neighborhoods and states.
May 26, 2026 · 6 min read
Consumer
Gas vs. diesel: which costs less to drive?
Quick answer: diesel usually wins on cost per mile for highway-heavy driving over 15,000 mi/yr, but loses for short-trip, urban driving. Run the per-mile math with your own MPG.
May 19, 2026 · 7 min read
Consumer
How to calculate fuel cost per mile (the number that actually matters)
Quick answer: divide your fuel price per gallon by your vehicle's MPG. That's your cost per mile. Multiply by miles driven to get the spend on any trip.
May 12, 2026 · 6 min read
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