The national average retail price of a gallon of diesel fell slightly to $2.89 for the week ending Monday, May 22, a drop of about 3 cents for the week. That’s the lowest cost of diesel since the end of last month, although it’s still 73 cents more than the same week last year, according to the U.S. Department of Energy survey.
All regions saw a decrease, but the Rocky Mountain region had the most significant drop, from $3.07 to $3.02 per gallon. Gulf Coast customers were paying $2.80 per gallon, the lowest price in the nation, while those on the West Coast paid $3.18 per gallon, the highest in the nation.
For state-by state diesel prices, updated daily, click here.