10 Important that can help you to save fuel

1. Tune Up: tuning your engine in the right way can help to improve fuel economy up to  4%. Fixing a serious issue – like a faulty oxygen sensor - can increase mileage up to 40%.
2. Pump Up: make sure you inflated tires properly and this can help improve gas mileage up to 3.3%.
3. Unload: An extra 50 pounds of cargo can  reduces fuel economy by 2%. A loaded roof rack can cuts fuel economy by up to 5%.
4. Slow Down: Gas mileage generally drops rapidly at speeds beyond 60 mph. Every 5 mph over 60 mph is like adding an extra 29 cents per gallon for fuel.
5. Avoid Idling: Cars can gets 0 mpg when the engine is idling. Idling can consume  a quarter to a half gallon of fuel per hour, depend on engine size and air conditioner use.
6. Chill Out: Fast-moving, rapid acceleration and braking can makes your fuel mileage lower up to 33% on the highway and 5% in city driving.
7. Put It in Overdrive: if you use an overdrive gear on the highway it can saves both fuel and engine wear.
8. Unclog: Changing a severely plugged air filter on an older car with a carbureted engine improves fuel economy by up to 14%.
9. Use the Right Oil: make sure you use recommended grade of oil and it can help improves fuel economy by 1% - 2%.
10. Plan Your Trips: to make Plan routes and timing to avoid heavy periods of traffic congestion is also on of good way to safe fuel.