How do I save gas on a road trip?

Concerns & risks

You were trying to plan a long road trip on a budget, and gas is shaping up to be the biggest expense.

Gas is one of the biggest road trip costs.

Causes & evidence

Steady speeds, less weight and properly inflated tires help. See fuel economy basics.

What to do

1. Check tire pressure before you go.
2. Use cruise control on flat highways.
3. Avoid speeding; mileage usually drops at higher speeds.
4. Pack light and avoid roof boxes if possible.

Common mistakes: Common mistakes: speeding to 'save time,' which uses more fuel and saves less time than you think. Another is overpacking the car or roof. Plan routes to avoid heavy traffic when possible. Don't idle for long stops; turn the car off. Fill up before entering remote stretches. Combine errands at your destination to avoid extra driving. Check tire pressure when tires are cold, before you load up.

Speed Man tip: Use apps to find cheaper gas on your route.

Wrap-up: Steady and slower. Pack light. Inflate tires.

Want the why behind it? Read Tire Pressure and Tread in the wiki.