One of the items in the consumer price index that has regularly fallen for almost two years is the price of fuel, particularly gasoline. Recently, the average price of a gallon of regular gas fell to under $2.10 in Oklahoma. For most of the nation, the decline has accelerated. With the price of oil dropping, that trend is not at an end point. During a period when "affordability†is an issue for American consumers, the price of gas is one of the few bright spots. The current annual cost of gas for an average ...