Business is brisk at the Mobil on the Run gasoline station where the price for a gallon of regular has dropped to $2.38 in Overland, Missouri on November 19, 2014. UPI/Bill Greenblatt Gasoline prices in the United States heading into Thanksgiving are the lowest in five years and should continue to drop, the Energy Department said Wednesday. The average retail price for a gallon of regular unleaded gasoline in the United States is $2.81, according to motor club AAA, which is nearly 50 cents lower than one year ago and the lowest average price heading into the Thanksgiving holiday season since 2009. The Energy Information Administration, the analytical arm of the Energy Department, said the decline in gasoline prices is largely a reflection of crude oil prices , which have shed more than 20 percent of their value since June. Gasoline prices are down more than 88 cents per […]