The national average for gasoline prices declined for 21 consecutive days, buoyed by the increase in crude oil production in the United States and lower driving demand, according to retail analysis. The national average for regular unleaded gas is $2.27 a gallon, which is 4 cents lower than one week ago and 5 cents less than a month ago, according to motor club AAA . GasBuddy also reported the average price at $2.27, down 2.8 cents from last week and 6.2 cents from the previous month. Compared with one year ago, prices are 47 cents more per gallon, according to both sources. The top four highest prices nationally remain on the West Coast, including in Hawaii ($3.07), California […]