You can take care of a some things without going to a service station that you can do yourself, such as: Taking care of the air filter. A clogged air filter leaves your engine gasping for breath and means you are probably running with, more gas and less air. Many department and auto stores carry air filters, they are simple to change. A clogged air filter can cost you 1 mpg. You should replace your air filter regularly.

If you have dirty oil this can cut back engine efficiency, so make sure your oil is changed according to the car manufacturer’s recommended schedule. Changing your own oil and buying your own oil is much cheaper than having a mechanic do it. If you do not know how to maybe a friend or neighbor can for you.

Did you know if your fan belt is too tight your engine is working too hard and wasting gas. Your belt should have a little give to finger pressure when the engine is not running. if it doesn't, you can easily adjust the tension with a wrench again saving you gas and money.

If you have badly worn spark plugs did you know they can cost you as much as 2 mpg. You should have these changed by your auto mechanic or someone that know how to change them for you.

Using cruise control can save gas. If you drive on the open road often, staying at a constant speed will save fuel.

Do not use the air conditioner in your car all the time, it uses a lot of gas.

Do not rev the engine and then quickly shut your car off. This wastes gas. It also pumps raw gasoline into the cylinder walls. This can wash away a film of oil that protects the cylinders and will increase engine wear.

Hear is a tip if you plan to travel you should start early in the day while traffic is light and plan to stop for meals at times when traffic is heavier.

Don’t let your car idle for a long time to warm it up. Also, don’t let your car idle for more than a minute after it is warmed up - this idling wastes more gas than restarting your car.

You should check your tires. Under inflation of your tires can cost you as much as 1 mpg. Radial tires have 50 percent less road resistance, so they give you 3 to 19 percent better mpg. Check your manual for correct pressure you need in your tires.

If you can walk to a store do so instead of driving there. This is an easy way to save gas