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UPS Inc. said Tuesday its second-quarter profit rose 7.6% to $1.06 billion or 97 cents a share, from $986 million or 88 cents a year earlier.

The average national price of retail diesel fuel rose 2 cents to $2.946 a gallon, the Department of Energy said Monday.

Truck makers had their second-biggest month on record in June, selling 25,240 heavy-duty vehicles in June to U.S. customers, a 6.3% improvement over June 2005. It was the 32nd straight month of year-over-year sales gains, as carriers continued their pre-buy ahead of 2007. br clear="all">

Medium-duty truck sales contracted slightly in June, although there was strong growth in Classes 6 and 7, and sales finished the first half of 2006 ahead of their pace of a year earlier.

Forward Air Corp., a contractor to the air cargo industry, said late Monday its second-quarter net income increased 8.9% to $13 million or 41 cents a share, from $12 million or 37 cents in 2005.

TransForce Income Fund, Montreal, Canada, announced Monday in a release that it has acquired Canadian less-than-truckload carrier Byers Transportation System Inc. and its subsidiaries from Landtran Systems Inc., an Edmonton, Alberta, Canada transportation and logistics firm.

Navistar International Corp. said the New York Stock Exchange will allow the company to trade its shares until February 2007 while the truck manufacturer completes financial filings that have been delayed since last September, Bloomberg reported Monday.

Ultra-low-sulfur diesel’s lower energy content will force truckers to buy more fuel to run the same number of miles, driving fuel expenses up — a cost they can’t recoup through surcharges, trucking executives and engine manufacturers said.

Information technology firm Siricomm said it named Bill Graham chief executive officer to succeed Hank Hoffman.

The owner of the Ambassador Bridge, the busiest international truck crossing in the United States, filed an application July 13 to build another span of the bridge linking the United States and Canada.