Gas mileage ratings are a ratio of the number of miles traveled to the number of gallons of gasoline burned. It is the consumption of fuel by the automobile with regards to the miles traveled. Mileage is the total miles covered or traveled in a given time. With the recent hike in fuel prices, we need to know ways to reduce consumption of gasoline to safe money. We can do this by turning off the air conditioner of the car or drive a smaller and lighter vehicle. Also, we can remove unnecessary heavy load in our car when driving to safe on fuel consumption and hence reduce gas mileage ratings.