The weekly fuel report published by Triple A and the Iowa Department of Agriculture and Land Stewardship shows that the price of regular unleaded gasoline fell by one cent and averages $2.37 across the state. The national average on Wednesday was down 2 cents from last week’s price. Retail diesel prices in Iowa fell 5 cents this week and the current Iowa diesel price is 29 cents lower than the national average. Taking a look at heating fuels: natural gas prices were down 27 cents and propane prices averaged $1.56 per gallon in Iowa. Tips for saving energy on the road or at home are available at energy.gov