Over the last four weeks, the national price has dropped 18.2 cents. The latest price is 58 cents higher than a year earlier.
Prices declined across the nation, led by 8.3 cents to $3.765 in the Midwest. The Rocky Mountain region fell 7.8 cents to $3.913. With the recent price declines, only California at $4.047 remains above $4 a gallon.
The record diesel price was $4.764 in July 2008.
For diesel price information, click here.