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As gas prices rise, more people are turning to products which claim to inprove mpg, such as many fuel additives. Before dumping even more money into a bottle of fuel additive, consider if the product is really necessary, or even helpful for obtaining better gas mileage.

People think that with the use of additives with the fuel, they will get better gas mileage or expect that the operational life of the engine ti increase. In certain cases the additives may do one or both the above functions. However the additives are just cleaning the parts such as fuel injectors and fuel lines of the deposited materials which prevent the smooth flow of fuel. Therefore proper cleaning and maintenance of the vehicle which includes periodic cleaning of fuel injectors can avoid the use of additives which are just cleaning agents.

Furthermore, additives are already present in a majority of the gasoline that is sold in the developed nations. More such additives are found in premium gasoline as compared to its regular variety. Despite the higher octane rating, the fuel efficiency of premium gasoline does not prove to be an improvement for passenger vehicles. Older engines that have "pinging" problems and some specialized engines like boating engines are the only ones to benefit from fuels with a higher octane rating.

If you have not taken good care of the car, it is especially important to use a fuel additive that is made to remedy problems of neglect such as a clogged fuel injector. It may be necessary to use an absorbent fuel additive, at least for the short term, in order to clear water from the fuel line or the fuel tank. You may also find it advantageous to try a fuel additive in cars where the maintenance history is not known.

Except in these cases, fuel additives are generally unnecessary because gasoline already contains the additives, and additional additive will not help the vehicle get better gas mileage. Unnecessary additives can be harmful to the environment, as well as the pocket book. Seek the opinion of a trusted mechanic if in doubt whether or not to use a fuel additive.

If you have decided on a fuel additive, make sure you read the instructions on the bottle and follow them carefully. Some additives can sink in gasoline; others may float. The instructions will contain specific advice on whether you should use with a gas tank that is empty or one that is full. If it additive is not used correctly, its performance may be hindered.

As gas prices rise, more people are turning to products which claim to inprove mpg, such as many fuel additives. Before dumping even more money into a bottle of fuel additive, consider if the product is really necessary, or even helpful for obtaining better gas mileage. Moreover, in the developed nations gasoline already has additives in it. The regular gasoline has less additives than the premium one. Despite the higher octane rating, premium gasoline does not improve efficiency of most passenger vehicles. They only work in older engines that has "pinging" problems or a few specialized engines like the engine of a boat.