Diesel prices dropped another 2.2 cents Monday, continuing the fuel's slow seven-week fall

, according to the U.S. Department of Energy. Trucking's main fuel landed at a national average of $2.726, down from last week's $2.748.

Over the last seven weeks, diesel prices have managed to lose 8.2 cents. This week's average is about 36 cents higher than the national average during the same week last year, when it was at $2.366. Prior to the declines, diesel prices had gained 22.6 cents.

New England had the highest prices this week, averaging $2.853, followed by the Central Atlantic region, at $2.841. The lowest prices were found in the Gulf Coast and Lower Atlantic regions, at $2.68 and $2.687, respectively.

Gasoline was down a penny from last week's national average of $2.599, settling at $2.589. This is 93.6 cents higher than last year.

This week's diesel price data was delayed due to snow storms on the East Coast.