Consumer PricesFuel prices in the US dipped to just under the four dollar mark for the first time in more than five months.AAA said the national average for a gallon of regular fuel was 3.99 dollars (£3.26) on Thursday.Prices have dropped 15 cents in the past week and 68 cents in the last month, according to the auto club.The shopping app GasBuddy reported that the national average was already down to 3.98 dollars on Wednesday.Falling prices for gas, airline tickets and clothes are giving consumers a bit of relief, although inflation is still close to a four-decade high.