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A provision in the recently enacted federal transportation legislation aimed at protecting truckers and shippers by dramatically raising the bond freight brokers must pay has ignited a storm of controversy.

The average retail price of diesel fuel increased for a second week, rising 1.2 cents a gallon, which oil analysts attributed to higher crude oil prices and record-breaking distillate exports from the United States.

Class 8 truck sales rose 19.4% in June over the year-ago level, extending a growth pattern that dealers and analysts said could be in jeopardy during the rest of 2012 because of growing economic uncertainty.

Existing home sales declined 5.4% in June, an eight month low, the National Association of Realtors said Thursday.

Vitran Corp. reported a second-quarter loss Thursday as its less-than-truckload operations declined.

An index of leading economic indicators declined 0.3% in June, the New York-based Conference Board said Thursday.

Manufacturing activity in the Philadelphia region contracted for a third straight month in July, Federal Reserve Bank of Philadelphia said Thursday.

USA Truck reported a second-quarter loss, citing a “lack of network efficiency.”

Initial jobless claims rose last week from the lowest level in four years the previous week, the Labor Department said Thursday.