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Officials of brake manufacturer Bendix Commercial Vehicle Systems said they are wrestling with the challenge of manufacturing and distributing replacement parts for a defective valve that could cause braking problems, which prompted federal and heavy-duty truck manufacturer recalls.

Truckload carrier P.A.M. Transportation Services reported a fourth-quarter profit after posting a loss in the same quarter last year.

Forward Air Corp. said late Tuesday its fourth-quarter net income rose to $14.4 million, or 50 cents per share, from $11.8 million, or 41 cents, a year earlier.

The Port of Baltimore is offering short-haul drayage operators and owners who scrap their older engine models up to $20,000 each toward the cost of a Class 8 vehicle that meets or exceeds the 2007 EPA emission certified engine standard.

The Senate has passed a long-awaited reauthorization bill for the Federal Aviation Administration, avoiding another shutdown like the one that occurred last summer.

Maryland Gov. Martin O’Malley is poised, perhaps as early as this week, to send lawmakers a plan to apply the state’s 6% sales tax to diesel and gasoline purchases.

An index of the U.S. economy’s service sector rose in January at the fastest pace in nearly a year, the Institute for Supply Management said Friday.

Provisions that would have allowed states to permit larger, heavier trucks on interstate highways were voted down last week, just days after the highway reauthorization bill containing the measures was introduced in the House of Representatives.