Guides

Fuel-saving guides

Evidence-led, no fluff. The habits, maths and timing that actually cut what you spend on petrol and diesel.

Ranked by payback: the habits, fixes and timing that genuinely shrink your gas budget — and the myths that don’t.

The weekly price pattern, what actually moves pump prices, and how to dodge the weekend and holiday markups.

What octane really does, the three kinds of cars, and why most drivers buying premium are burning money.

Speed, tires, weight and smooth driving — the physics behind MPG and the changes that pay back the most.

The CheapGas app

The cheapest pump, before you leave the house.

Everything on this site plus price-drop alerts, saved stations on your routes, and a fill-up log that shows your real cost per mile over time.

Coming soon