Fuel prices remained steady at $2.70 across Iowa compared to last week’s price, and are down 10 cents from a year ago according to AAA. The national average for a gallon of gasoline on Wednesday was $3.02, down one cent from last week’s price. Retail diesel prices in Iowa fell three cents this week with a statewide average of $3.25. One year ago, diesel prices averaged $3.89 in Iowa. The current Iowa diesel price is 26 cents lower than the national average of $3.51. Propane prices averaged $1.55 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.