Prices have increased every week but one since Jan. 9 and are the highest point since Aug. 25, 2008.
The national average price gained 2.6 cents to $3.949.
The price is the highest since Sep. 29, 2008, when it was $3.969.
The price is the highest since Oct. 13, 2008, when it was $3.659.
The national average price of $3.111 is the highest price in six months. The week of May 10, the price was $3.127.
The proposed national fuel economy and greenhouse gas reduction standards, electronic on-board recorders, CAT vocational trucks and a Hoover Dam bridge are among the trucking issues featured.
DOE raised its diesel-price forecast for the rest of this year by 3 cents to $2.96 a gallon, and for 2011 by 4 cents to $3.14.
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