Tire pressure is often overlooked, but can decrease your fuel mileage if you tires are not properly inflated. Have you ever peddled a bike with low tires. If you have, then you know it was much harder than when the tires are aired up. A car is no different. Low tires requires the engine to work much harder as well.
Not only will you increase fuel mileage, you will also have longer tire life, and prevent blow-outs cause by low pressure.
Watch this video to learn where to find your tire pressure and how to air your tires up when you are away from home.
I hope you find these tips useful.