Average U.S. diesel prices dropped for the fourth straight week, declining 2.1 cents to $2.601 a gallon, according to the U.S. Department of Energy (DOE).
All of the regions tracked by DOE fell in price, including the West Coast by 4.1 cents. The least expensive region, the Gulf Coast, dropped 1.7 cents to $2.525. The most costly area remains California at $2.807, falling 2 cents. New England dipped less than a penny to $2.703.