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Trailer manufacturer Wabash National Corp. reported a net loss of $3.2 million, or 11 cents a share, for the second quarter of 2008, down from earnings of $5.9 million, or 18 cents, a year ago.

Senate Republicans voted Wednesday to continue debate on a measure that would have bolstered the Highway Trust Fund, effectively killing the bill.

Part of Iowa Highway 1 that had been severely damaged by heavy flooding last month has reopened, the state's transportation department said Wednesday.

Sharply higher rail rates for carrying hazardous materials known as toxic inhalants have led some shippers to shift to trucks, said John Conley, president of the National Tank Truck Carriers.

Engine manufacturer Cummins Inc., said that its second-quarter profits rose to a record as overseas demand bolstered a recovering North American truck-engine market.

Covenant Transportation Group said late Tuesday it lost $2.3 million, or 17 cents a share, in the second quarter, compared with a loss of $11.3 million, or 80 cents, a year ago.

Covenant Transportation Group said late Tuesday it lost $2.3 million, or 17 cents a share, in the second quarter, compared with a loss of $11.3 million, or 80 cents, a year ago.

Universal Truckload Services, Warren, Mich., said it earned about $3.5 million, or 22 cents a share in the second quarter of 2008, down from $4.7 million, or 29 cents, in the 2007 quarter.

Vehicle component supplier ArvinMeritor earned $44 million, or 60 cents a share in the quarter ended June 30, compared with a loss of $70 million, or 99 cents, a year ago, the company said Tuesday.

Refrigerated carrier Frozen Food Express Industries, Dallas, earned $274,000, or two cents a share, in the second quarter of 2008, compared with a loss of $661,000, or four cents, in the 2007 quarter, the company said late Monday.