The national average price dropped to $3.937 a gallon, up $1.009 from the same period a year ago, the U.S Energy Information Administration said. The East Coast’s Lower Atlantic sub-section saw the largest decline in diesel prices, down 2.2 percent to $3.918 a gallon.
The East Coast’s New England subsection and the Rocky Mountain section saw the only increases in diesel prices, both less than a cent uptick.
The average price has fallen 1.8 cents, or 5.3 percent, since reaching its high point this year during the week of May 2 at $4.124 a gallon.
Crude oil for September delivery fell 81 cents to $94.89 per barrel by the end of trading Monday on the New York Mercantile Exchange. Prices sharply fell after a manufacturing index showed U.S. manufacturing production hit a two-year low in July.
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