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Landstar System said Monday it will buy back up to an additional 2 million shares of its common stock.

The most common way of delivering data from truck telematics involves the system vendor storing, and probably massaging, the information, which the customer accesses through a secure Web site.

KALAMAZOO, Mich. — Truck drivetrain manufacturer Eaton Corp. said its electric-diesel hybrid system for medium-duty trucks is now in commercial production and that it would produce heavy-duty hybrids in a few years.

U.S. retail Class 8 truck sales continued to slide in July, falling more than 54% from the same month last year, according to the latest survey by Ward’s Communications.

States that participated in the Single State Registration System before its termination have agreed to postpone collecting fees until September, despite Congress’ extension of the program, officials said.

The Virginia Department of Transportation said Aug. 1 it has updated its 511 road-information system to include improvements suggested by users.

The head of auto parts supplier ArvinMeritor said the company is seeing more interest in its heavy-duty truck components, a signal that truck demand couldrise  toward the end of the year, Bloomberg News reported.

Goodyear Tire and Rubber Co., Akron, Ohio, said Tuesday it appointed Mark Schmitz its new chief financial officer.

Fleet management services firm Telargo Inc. said Monday it will provide telematics systems for vehicle leasing company LeasePlan USA, Alpharetta, Georgia.