The national average retail price of a gallon of diesel rose 2.3 cents to $2.92 for the week ended May 15 after two two weeks at $2.89. The national diesel average is up 73.1 cents compared to the same week in 2005, according to the U.S. Department of Energy.
The last week-over-week decline was during the week ended March 27. The national price is up nearly 50 cents since the beginning of the year and is only 23.7 cents below the all-time record of $3.157 cents recorded during the week ended Oct. 24.
Regionally, the price has passed $3 — in the Rocky Mountains it was at $3.07, and diesel customers were paying $3.19 on the West Coast. The Gulf Coast had the lowest prices, at $2.83 per gallon.