If you had to name the one item in your budget that takes up the biggest portion of your money what would you say? Most people would agree that the rising costs of gasoline is chewing far into their budgets and threatening to jeopardize their financial status. This creates a huge need to look for ways to improve gas mileage fuel economy so that the amount spent on gasoline can be decreased. This one small change can add up to a substantial savings for your budget. This will allow you to make a lot of adjustments to your budget.