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Omnitracs Inc. said it has launched a Android application for truck drivers to complete the proof-of-delivery outside of the truck on a smart phone.

PeopleNet Communications Corp. said it is working with security technology firm SafeKey Corp. to provide a location-aware key fob that truck drivers can use to send “panic” signals through PeopleNet’s system.

MINNEAPOLIS — ABF Freight System truck driver Ralph Garcia had to make a choice between being at the hospital for the birth of his first grandson or competing here in the 2012 National Truck Driving Championships.

Heavy-duty truck manufacturers have improved the fuel efficiency of their tractors through a combination of new technologies, powertrain improvements, enhanced aerodynamics and efforts to reduce rolling resistance.

New engine technologies and improved aerodynamics have yielded significant fuel efficiency gains for carriers running post-2010 heavy-duty trucks, but some fleet executives said they are encountering some new maintenance issues.

Allied Systems Holdings Inc., the largest U.S. car hauler, last week filed for Chapter 11 bankruptcy protection, the second time it has done so, saying it’s continuing to provide service and blaming weakness in the car and light-truck business for the move.

For 18 years, regulators have been wrestling with a congressional mandate to issue a rule prohibiting trucks from proceeding into railroad crossings unless there is adequate space on the other side to avoid getting trapped on the tracks.

LOUISVILLE, Ky. — Permanent repair kits for defective ATR-6 traction-relay brake valves are moving to truck makers, executives of Bendix Commercial Vehicle System said.

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.