The national average retail price of a gallon of diesel fell for the fourth straight week, down 1.9 cents during the week ending Monday, May 14, to $2.773, 14.7 cents lower than in the same week of 2006. The price has fallen more than 10 cents in the last four weeks.
The price fell in nearly every region tracked by the U.S. Department of Energy except for the Rocky Mountain region, which saw a small increase of .003 cents, less than a third of a penny.
The nation’s most expensive diesel was in the Rocky Mountain region at $2.998 and on the West Coast at $2.919; California, which DOE tracks separately, averaged $2.952. The nation’s cheapest diesel was in the Lower Atlantic region at $2.711.
For state-by-state diesel prices, updated daily, click here.