Motor fuel prices went up at the pump again this past week, while two of three heating fuels saw a drop in prices. According to AAA Iowa, as of Wednesday, March 10, the price of regular unleaded gasoline averaged $2.79 across the state, which is up $.05 from last week and $.59 higher than last year. The national average is at $2.82, up $.08 cents from last week. Retail diesel prices jumped $.11 in Iowa to an average of $3.06. This is $.03 higher than the national average. Wholesale ethanol went up only by a penny and is currently priced at $1.79 per gallon. Two home heating fuels saw a sizeable decrease in prices. Propane fell $.23 with a statewide average of $1.76 per gallon while natural gas prices went down by $.16 to $2.67 per MMbtu. Home heating oil, on the other hand, went up $.09 from last week, ending with an average of $2.63 per gallon.