As of Wednesday, the price of regular unleaded gasoline averaged $2.98 across Iowa according to AAA. Prices fell 1 cent from last week’s price and are down 41 cents from a year ago. The national average on Wednesday was $3.21, up 1 cent from last week’s price. Retail diesel prices in Iowa rose 6 cents this week with a statewide average of $3.38. One year ago, diesel prices averaged $4.27 in Iowa. The current Iowa diesel price is 22 cents lower than the national average of $3.60. Tips for saving energy on the road or at home are available at energy.gov and fueleconomy.gov.