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Stimulus Dollars Trickle

Martin Marietta Materials Chairman Stephen Zelnak Jr. cites three factors behind lower projected per share earnings for 2009: weaker and slower-than-expected

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In-Transit Tracking

On-board intelligent global positioning system (GPS) status devices are quickly becoming commonplace among fleet managers for truck dispatching and tracking.

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Improvements In Gps-Enabled Truck Tracking

In the old days, truck tracking was accomplished by the use of 10 codes. This depended upon the driver radioing the truck's status at regular intervals.

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