Diesel will average $3.83 a gallon next year, Department of Energy said, boosting its previous forecast by a dime.
Trucking鈥檚 main fuel will average $4 per gallon in the current fourth quarter, down from October鈥檚 $4.09, DOE said in its monthly short-term energy outlook.
Gasoline, meanwhile, will average $3.64 this year and $3.44 in 2013, in line with last month鈥檚 outlook.
The motor fuel, which has seen supplies disrupted recently by Hurricane Sandy, will average $3.56 in the current fourth quarter, the report said.
Diesel averaged $3.84 a gallon last year and gasoline averaged $3.53.
The monthly outlook often lags听DOE鈥檚 weekly price surveys. Its
Both fuels have declined in the past month, with diesel down 14 cents in the past three weeks and gas down 35.8 cents in the past month.
Crude oil will average $112 per barrel this year and decline to $103 in 2013, both in line with last month鈥檚 outlook, DOE said.