
Save 5% to 33% by avoiding speeding and aggressive accelerating and braking.
Save: $0.19–$1.24 per gallon

Each 5 mph you drive over 50 mph can lower gas mileage by 7% or more.
Save: $0.26–$0.53 per gallon

Fixing an out-of-tune engine can improve its efficiency by 4% on average.
Save: $0.15 per gallon

Under-inflated tires can lower gas mileage by 0.3% for every 1 psi drop in pressure of all four tires.
Save: Up to $0.11 per gallon

An extra 50 to 100 pounds can lower gas mileage by about 1% to 2%.
Save: $0.04–$0.08 per gallon

Idling gets 0 mpg. Turn off your engine when you are stopped and not in traffic.
Save: $0.01–$0.03 per minute

Using the wrong grade of motor oil can lower mileage by 1% to 2%.
Save: $0.04–$0.08 per gallon

You'll drive fewer miles and drive less while the engine is cold and inefficient.

It helps you maintain a constant speed, which can save gas.

It reduces engine speed, saving gas and reducing engine wear.