The price of diesel fuel in the U.S. was essentially flat last week, falling less than a cent, according to the latest numbers from the Energy Department.

The average price of diesel fuel in the United States fell again last week, dropping to levels last seen in mid-May, according to the latest numbers from...

Diesel fuel prices are continuing to fall, dropping around 8 cents from their peak of $2.43 per gallon in early June, according to the latest numbers from...

The average price of diesel fuel fell again last week, continuing a streak of very slight declines in the past month, according to the latest numbers from...

A new government forecast is calling for double-digit gains in diesel prices next year, although gasoline is expected increase by only half as much.

The average price of diesel fuel dropped by nearly 1 cent last week, the fourth straight week of small price decreases, according to the latest numbers from...

The price of diesel fuel remained relatively unchanged for the third straight week and the energy markets are still feeling the effects from the United...

The price of a gallon of diesel fuel fell slightly last week, ending weeks of consistent increases in the U.S., according to the latest numbers from the...

The average price of both on-highway diesel fuel and regular gasoline continued to rise last week, according to the latest numbers from the Energy Department.

Recent increases in diesel and gasoline prices have translated once again into expectations that costs for both will move even higher the rest of this year...