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Transportation software firm Xata Corp. said Monday it lost $1.4 million, or 17 cents a share, in its fiscal second quarter, compared with a loss of $900,000, or 12 cents, a year ago.

Moving company Sirva Inc. said its reorganization plan to emerge from bankruptcy became effective Monday and that it will become a private company, effective immediately.

The California Air Resources Board has confirmed to Transport Topics that Mack Trucks Inc., Cummins Inc. and Volvo Trucks North America have received certification that their heavy-duty engines meet California’s nitrogen oxide emission standards, providing users an exemption from the state’s five-minute idling regulation.

Wireless carrier Sprint Nextel Corp. said Monday it had a larger first-quarter deficit as revenue fell, it lost more than a million subscribers and it absorbed charges for severance and other costs, the Associated Press reported.

Canadian holding company Clarke Inc. Monday reported a first-quarter loss of C$2.1 million, or 7 cents per share, compared with net income of C$12.1 million, or 28 cents, a year ago.

FedEx Corp. said late Friday it is cutting its fiscal fourth-quarter earnings guidance, blaming a steep increase in fuel costs.

President Bush declared this week as “National Transportation Week” and Saturday to be “National Defense Transportation Day,” the White House said Friday.

The average price of retail diesel slipped 2.8 cents last week from its all-time record — the first decline in four weeks — as the Department of Energy released a prediction that prices would remain above $4 a gallon for the foreseeable future.