Diesel prices were down for the fifth straight week, slipping 0.3 cents to a national average of $2.772 Monday

, according to the U.S. Department of Energy. Over the last five weeks, trucking's main fuel has dropped 3.6 cents.

This week's average is about 25.7 cents higher than the national average during the same week last year, when it was at $2.515. Prior to the declines, diesel prices had gained 22.6 cents.

The Central Atlantic region reported the highest average at $2.896, followed by the West Coast at $2.884. The Gulf Coast had the lowest prices at 2.726, followed by the Lower Atlantic region at $2.74.

Meanwhile, gasoline was up about half a penny from last week, landing at an average of $2.634 per gallon Monday. This is 93.5 cents higher than last year.

Crude oil dove 2 percent to its lowest level in about two months, the Associated Press reported. Thanks to a rebound in the dollar, benchmark crude landed at $73.93 barrel on the New York Mercantile Exchange. Last week, oil settled at $77.45 a barrel.