[Stay on top of transportation news: Get TTNews in your inbox.]
The U.S. average retail price of diesel continued to drop, falling 2.1 cents to $3.011 a gallon, the Department of Energy reported Aug. 12.
It was the sixth straight drop in diesel prices since July 15.
Diesel costs 20.6 cents less than it did a year ago when it was $3.217 per gallon, DOE reported.
Regional diesel prices fell everywhere. The steepest decline was in New England, where the price of a gallon of diesel fell by 3.4 cents to $3.073.
California, where prices dropped by 3.1 cents, continues to have the highest diesel prices in the nation, at $3.909 per gallon. The cheapest diesel price was reported in the Gulf Coast states, at $2.763 per gallon.
The national average price of gasoline also fell, by 6.4 cents, to $2.624 a gallon, which is 21.9 cents cheaper than a year ago at this time.