The price of regular unleaded gasoline averaged $2.74 across Iowa according to AAA, as of Wednesday. Prices rose 4 cents from last week’s price and are down 2 cents from a year ago. The national average on Wednesday was $3.03, up 1 cent from last week’s price. Retail diesel prices in Iowa rose 4 cents this week with a statewide average of $3.29. One year ago, diesel prices averaged $3.74 in Iowa. The current Iowa diesel price is 22 cents lower than the national average of $3.51. Wholesale ethanol held steady and is currently priced at $2.16. Propane prices averaged $1.56 per gallon in Iowa. Home heating oil prices had a statewide average of $2.88 per gallon. Tips for saving energy on the road or at home are available at energy.gov and fueleconomy.gov.