The U.S. average retail price of diesel dropped 1.7 cents to $3.338 a gallon as prices for West Texas Intermediate crude oil continued to sink despite concerns that global supplies could fall amid U.S.-imposed sanctions on Iran.
It was the third consecutive weekly decline in the price of diesel.
Trucking’s main fuel costs 45.6 cents a gallon more than it did a year ago, when the price was $2.882, the Department of Energy said Nov. 5.
Average prices fell in all regions of the country. The highest one was in California at $4.074.
The national average price for regular gasoline fell 5.8 cents to $2.753 a gallon, DOE’s Energy Information Administration said. The average is 19.2 cents higher than it was a year ago.