Accellerate more gradually, don't drive more than 55 mph, and slow down more gradually. Driving style has so much to do with fuel economy.
Also, reduce air resistance and weight, e.g. remove bike racks or roof storage if you have them. Slower breaking. Make sure your air filter and oil are clean. Check your tire pressure regularly.
Check out http://www.fueleconomy.gov/feg/info.shtml#differences for more information.
Yes. Alloy wheels are supposed to improve the gas mileage due to its low weight.
All hybrids will improve gas mileage. They are very environmental friendly. Not only that bus they use less gas. You wouldn't have to worry about putting as much gas in it as a regular car!
A long lasting car purifier is used to improve the performance of a car, increase gas mileage, improve towing power and boost horsepower by increasing the amount of air in the engine.
Car rims may add some value to your car, the basic function of the rims is to attach the tire to the car, lighter rims will improve the mileage your car gets
It possibly could improve your gas mileage. With it on you are more aerodynamic thus making the car not have as much drag making it easier. While having it off makes the wind catch a little more onto the car, but these are myths I suppose.
A free flow muffler can improve mileage but by not by much. It would take a long time to recoup the cost of a new muffler.
Aerodynamic design improves fuel mileage, handling, and how quiet the car is when traveling.
Posi?ætraction does not improve gas mileage nor does it decrease gas mileage. The traction does not come into play in less the pavement is wet.
ride a bike.