From the Energy Information Administration
The U.S. average diesel fuel price increased more than 1 cent to $3.30 per gallon on June 28, 87 cents higher than a year ago. The Rocky Mountain price increased 4 cents to $3.43 per gallon, the West Coast price increased 3 cents to $3.84 per gallon, the East Coast price increased nearly 2 cents to $3.29 per gallon, the Midwest price increased nearly 1 cent to $3.24 per gallon, and the Gulf Coast price increased less than 1 cent, remaining virtually unchanged at $3.04 per gallon.