September 3, 2014 11:55 AM, EDT
Diesel Dips to Two-Year Low $3.814
Daniel Acker/Bloomberg News

Diesel’s average U.S. pump price fell 0.7 cent to a two-year low $3.814 a gallon, the Department of Energy reported.

The dip left trucking’s main fuel 16.7 cents less than Labor Day a year ago, DOE said after its weekly survey of filling stations, which was released Sept. 2 because of the holiday on Monday.

Gasoline, meanwhile, rose a half-cent to $3.459 a gallon, its first increase in two months. Gas had declined a quarter in eight previous declines, and its price this week is almost 15 cents below the corresponding week last year.

Diesel has declined for nine consecutive weeks, in which time it has declined 10.6 cents, according to DOE records. The price is down 20.7 cents from the year’s high $4.021 in March.

Oil, meanwhile, fell to its lowest level in more than seven months, dropping more than $3 on Tuesday on the New York Mercantile Exchange to $92.88 a barrel as the peak summer driving season ended, Bloomberg News reported.

Each week, DOE surveys about 400 diesel filling stations and 800 gasoline stations to compile national average prices.