This week's average is a close 14.3 cents below the price during the same week last year, when it was at $2.944.
California saw the highest prices of diesel this week, with an average of $2.972, followed by the Central Atlantic and West Coast regions, at $2.926 and $2.909, respectively. In contrast, the Gulf Coast and Lower Atlantic regions saw the lowest averages, at $2.746 and $2.772, respectively.
Gasoline did not continue its upward trend this week, falling 2.8 cents to a national average of $2.666. The price is 44.2 cents higher than the same week last year.
Crude oil gained 3 percent Monday, landing at $79.73 a barrel on the New York Mercantile Exchange, according to the Wall Street Journal. The publication attributes the gain to dollar weakness, a strong equity market, and the closing of offshore U.S. oil production as a result of Tropical Storm Ida.