Daniel Acker/Bloomberg News
Diesel will average $3.83 a gallon in the second half of this year, slightly lower than its current pump price, the Department of Energy said Aug. 12.
The full-year average price for trucking’s main fuel will be $3.89, DOE said in its monthly short-term energy outlook, down 4 cents from the projected price in last month’s outlook.
Diesel averaged $3.92 per gallon last year, the report said.
Gasoline prices will drop even more sharply, from its current $3.50 average to $3.30 per gallon in December.
The U.S. annual average regular gasoline retail price, which averaged $3.51 last year, is projected to average $3.50 this year and $3.46 in 2015.
EIA lowered its crude oil price outlook slightly, to $100.45 per barrel this year, compared with its July forecast of $100.98.