1. Keep tires inflated properly. Under inflated tires waste fuel and wear out the tire tread. Also, check tires regularly for alignment and balance.
2. Got junk in your trunk? The more your car weighs, the more fuel it burns. For every extra 250 pounds your engine hauls, the car loses about one mile per gallon in fuel economy.
3. Buy a fuel-efficient car.
4. Get regular tuneups. A well-tuned engine burns less gas.
5. Do not warm up your car for long than one minute. Anything more and you're just burning up that expensive fuel.
6. Turn off your car. Any time you will not be moving for more then 1minute you should turn off the engine to help save gas. You can save gas if you turn off you car while waiting at long traffic light , railroad crossings or while your at a drive through.
7. Slow down. It's a proven fact that driving fast will increase the drag (turbulence) and thus increase your fuel consumption.
8. Don't top off your gas tank, it probably will wind up spilled on the road.
9. Park quickly. If you drive all over the parking lot looking for a closer parking space, you'll use more gas. If it's further away, the walk will do you good!
10. No quick starts. Drive evenly at a steady pace. Quick starts burn plenty of gas.
11. No quick stops. Try to anticipate stop signs and traffic lights.
12. Keep your car cool. Park in the shade. When your car gets hot, the fuel in the tank expands, it creates fumes that get out past the gas cap.
13. Fill up at night. Pumps deliver more gas when temperatures are lower.
14. Limit air conditioning.It consumes fuel. At lower speeds, open the windows or sunroof to stay cool. At higher speeds, use the car's fan instead (open windows create drag that reduces mileage).
15. Carpool. Share the cost of gas, and the wear'n'tear on your vehicle is reduced as well.
16. Use your cruise control, especially on stretches of flat road. This will stop you from unconsciously speeding up and losing fuel.
17. Use a lower octane fuel. Buy the lowest grade or octane of gasoline that is appropriate for your car. Unless your car requires premium gasoline, filling up your car with high-octane fuel is a waste of money.
18. Replace dirty air filters. When the engine air filter clogs with dirt, it causes your engine to work harder and your car becomes less fuel-efficient.
19. Use synthetic motor oil. This will cause your engine to run better and give you better mileage.
20. Don't Drive. Walk, ride a bike or take the bus. Do you really need to drive to the store when it is only a couple of blocks down the street?
21. Ride a motorcycle or scooter. They are cheaper and often get 70 MPG or better.
22. Remove racks. If you have a removable roof rack and you are not using it, take it off to improve your fuel economy by as much as 5 percent.