Cars have become a lot more than a luxury item; these days cars are a necessity. In this world of speed a car is a lot safer than a two-wheeler. The number of cars on the road is on an alarmingly high rise, which is why the world has woken up to find that gas is now costing us a lot. Car fuel economy is the only way for any car owner to reduce his spending on gas. Gas mileage has to be looked at from every point of view if you want car fuel economy. Maintaining a car is a must to keep up the fuel efficiency. Driving properly and in a systematic manner without breaking very often is a must for fuel efficiency.