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Ryder System’s board approved a 2-cent increase in its quarterly dividend, to 23 cents a share.

Towne Air Freight said it acquired Synergy Cargo Logistics, which will give Towne a greater presence in the southwestern United States. Terms were not disclosed.

Bulk transporter Trimac Transportation said it had promoted Tom Connard to president of Trimac’s U.S. operations.

Transport Topics does a service to its readership with its continuing coverage of environmental regulations, and the Jan. 21 issue is no exception.

A high-ranking federal safety regulator said truck-involved fatalities have been stuck at a “relatively flat” level for years, and that trend leads officials at the National Highway Traffic Safety Administration to recommend using “Buck Rogers”-style technologies to lower accident rates.

The average national price of retail diesel fuel held at $3.28 a gallon from a week ago, the Department of Energy said Monday.

Wholesale inventories rose 1.1% in December, though sales fell 0.7%, the Commerce Department said Friday.

Navteq Corp., a maker of maps used in transportation navigation, said its fourth-quarter profit rose to $61.9 million, or 61 cents per share, from $42.9 million, or 45 cents, a year earlier.

Truckload carrier P.A.M. Transportation Services said it lost $840,000, or 8 cents a share, in the fourth quarter, compared with net income of $4.3 million, or 41 cents, a year earlier.