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DaimlerChrysler will delay its full second-quarter earnings report by a month this summer due to the company’s pending sale of its Chrysler unit, Bloomberg reported Monday.

The U.S. Transportation Department believes that California’s plan to enact a program to cut global-warming emissions from vehicles is a state-level fuel-economy rule, Bloomberg reported.

The votes are in, and it’s clear that while federal referees believe that the SafeStat carrier-safety scoring program has been improved in recent times, they agree that it’s not yet ready for prime time.

Despite discounts and incentives on new trucks that have narrowed the price gap between them and previous versions, dealers say that few of the models with 2007 engines are selling.

WASHINGTON — The Federal Motor Carrier Safety Administration’s safety rating system has been improved but is still not ready to return to public view, said the Department of Transportation’s inspector general.

James Burr likens the job of forecasting diesel fuel prices to that of a television weatherman.

The two founders of truckload carrier U.S. Xpress Enterprises said they want to buy back the part of the company they don’t already own for an estimated $176 million, taking the $300 million company private.