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IdleAire Technologies Corp. said it has filed for a possible initial public offering with the Securities and Exchange Commission.

Manufacturing levels increased in the Philadelphia area this month, the Federal Reserve Bank of Philadelphia said Thursday.

Driver turnover at large truckload carriers fell 11 percentage points to an annualized rate of 116% in the second quarter, compared with the previous three months, American Trucking Associations reported.

Sharply contrasting with the U.S. drop, sales of heavy-duty trucks are booming in Europe as many fleets buy new models early to reap government incentives to adopt new emission technology before it becomes mandated.

The current truck-driver hours-of-service rules — allowing 11 hours of driving and restarting a week after 34 hours of rest — are likely to remain in place for at least several more weeks.

U.S. retail Class 8 truck sales continued their 2007 free fall in August, plunging 58.9% from last year, the fourth straight month sales have dropped more than 50%, Ward’s Communications said.

Crude oil hit a new closing record Thursday, its sixth in seven trading days, as a tropical depression formed in the Gulf of Mexico that was on track to make landfall near New Orleans, Bloomberg reported.

Truck maker Freightliner LLC is studying relocating some of the operations in its aftermarket division from Oregon to the East Coast, the Oregonian newspaper reported Friday.

The index of leading economic indicators fell in August, the New York-based Conference Board said Thursday.