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Devices that electronically limit the top speed of trucks have “profound” safety benefits and significantly reduce speeding-related accidents, a federally sponsored study released last week found.

Fleet management software company Telogis Inc. said it has acquired Maptuit, a provider of commercial vehicle navigation technology. Terms were not disclosed.

Xata Corp. has introduced Xata Turnpike Multiple Management Authority, a driver tracking tool for household goods movers.

Cellcontrol, a developer of technology aimed at preventing distracted driving, on Monday unveiled a new offering designed for trucking fleets.

Amazon.com Inc. has agreed to acquire Kiva Systems Inc., a privately held maker of robotic warehouse systems, for about $775 million in cash.

Aerofficient will begin producing a “slider” side fairing in April that it said should boost fuel savings over trailers using normal fairings.

The Federal Motor Carrier Safety Administration said it launched an iPhone application last week that allows users to search for and find bus companies’ safety records. The application does not display data for trucking companies, and an agency spokeswoman did not say whether FMCSA plans to eventually include those data.

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.

WebTech Wireless, a supplier of GPS location-based and fleet telematics services, reported a fourth-quarter loss of C$934,000, compared with a loss of C$8.2 million a year earlier.

WASHINGTON — The leader of Sweden-based Volvo AB said the largest challenges in broader adoption and further development of alternative-fuel vehicles are the maturity of the technology and fueling infrastructure.