Most people have their particular way of dealing with the gas prices, which have continued to increase the last few years. Only a few drivers are clever about what they do in attempting to increase their gas mileage. Many purchase any item that claims to improve gas mileage, even if there is no proof that it does. How many companies are coming up with products that seem to be great ideas, but are only duping their customers? Everyone is eager to find something that will work to save them money at the gas pumps, but are these products really able to do that.