Average U.S. diesel prices dipped this week after they peaked in the weeks prior at levels last seen in early April. The national average price is $3.974, down 0.2 percent or 0.7 cents from last week. Prices are up 1.4 percent or 6 cents from January. However, prices remain down 3.9 percent year-over-year.
Prices dipped in most U.S. regions this week. The largest decrease came from the West Coast (except California), which saw prices drop an average of 1.3 cents to $4.032 per gallon. California and the Rocky Mountain region saw the only increases in price this week. California edged up 0.3 cent to $4.228; the Rocky Mountain region rose 0.7 cent to $3.941. The average prices in the Lower Atlantic, Midwest, Gulf Coast, and Rocky Mountain regions remain under the $4 per gallon mark.