The correct fuel additive is mixed with gasoline and helps keep the fuel from gelling or freezing, even in colder temperatures. Helps keep the fuel line from freezing up, and even makes the fuel more efficiently. Meaning, you can save some money at the pump. What's more you know, the additive has a quality detergent, and actually cleans out her car injection fuel system and fuel system. In this day and age of pollution, the additive can also reduce the amount of black smoke emitted by the vehicle, helping to keep the air a little cleaner. As if all this were not enough, a fuel additive for winter gives your car rust protection, and gives protection to the wear of fuel injectors. This can actually make your car last longer. If you are interested in purchasing an additional product for your car, you might be interested to know that gas stations actually sell a different kind of gas in the winter, which is specially designed to work well in colder temperatures. This gas is called methyl tertiary butyl ether (MTBE). While you can buy this type of gasoline at the pump, it has all the advantages of this fuel additive not including the benefits of detergent. , Is moving a little faster through the fuel injection system of your vehicle from a summer of gasoline type when subjected to freezing temperatures, so you can check with your favorite gas station to find out if they carry MTBE and when they start to sell it. You may discover that your car feels a bit slow, even with winter gas or a gas additive. If this is the case, and has taken these precautions, you can have control of his car battery. After all, there are many components of an automobile, and they all should be working properly, in order to give the best possible performance from your car.