Many people prefer using an additive to your fuel tank that helps keep your engine running better. When many people heard that regular gasoline and premium gasoline, both give the same performance level of intelligent energy that decided to go with regular gasoline. Regular gasoline costs less than the premium and you can get the same amount of miles. Premium gasoline is to help the engine performance and makes it a cleaner vehicle running. Additives can help do the same for the engine and are much less expensive than using premium gas.