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Secured Digital Applications, a provider of asset-tracking services, has unveiled its new pocket-size Bluetooth Global Positioning System receiver, saying it offers a cheaper alternative to comparable vehicle-mounted systems.

A large storm system that left ice on roads from the Plains to the Northeast has caused blackouts and led to at least 13 traffic deaths, the Associated Press reported Monday.

Truckload carrier Landstar System will increase fourth-quarter revenue in the “mid-single-digit range,” Chief Executive Officer Henry Gerkens said in a conference call with investors, Bloomberg reported.

Ryder System said Friday it will combine its U.S. and International Supply Chain Solutions business units to form a single integrated organization to serve SCS customers globally.

Forward Air Corp. said it has entered into an agreement to acquire certain assets of Black Hawk Freight Services, a privately held provider of transportation services headquartered in Milan, Ill.

Mayor Martin Chavez has appointed a task force to study how effectively Albuquerque’s red-light cameras are reducing the number of traffic crashes, the Associated Press reported.

Performance Transportation Services, a Wayne, Mich., auto transporter, said it, along with certain subsidiaries, will file for chapter 11 bankruptcy as part of a $67 million deal to sell nearly all of its assets to Allied Systems Holdings.

ATLANTA — UPS Inc.’s incoming chief financial officer told shippers here what freight carriers have long heard: The U.S. transportation network is so clogged — and getting worse — that Congress must create an infrastructure improvement plan and pay for it with dedicated taxes on the system’s users.

ORLANDO, Fla. — With idling restrictions increasing in states and localities around the country, carriers are increasingly interested in buying systems that will allow drivers to keep their truck cabs cool or heated and to operate electrical “hotel” appliances such as televisions or computers.