Prices in all regions dropped, with the Rocky Mountain region leading the way with an 8.1-cent decline to $4.02. California dropped 6 cents a gallon to $4.227, the most expensive. The Central Atlantic decreased 5.6 cents to $4.082, while the Gulf Coast dropped 5.1 cents to $3.884. The West Coast, California, New England and Central Atlantic remained above $4 a gallon.
The record diesel price was $4.764 in July 2008.
For diesel price information, click here.