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Business inventories rose 0.4% in December while sales increased by the most in five months, the Commerce Department said Tuesday.

PARK CITY, Utah — Shell Lubricants is introducing a fuel-efficient and long-life transmission and gearbox oil that meets the requirements of automatic transmissions used by Volvo Trucks and Mack Trucks, company officials said.

President Obama’s proposed budget would spend $476 billion on transportation over the next six years — a nearly 50% increase over current levels.

The price of goods imported to the United States rose 0.3% in January, the second increase in six months, the Labor Department said Tuesday.

President Obama’s proposed budget calls for the U.S. Postal Service to end Saturday mail delivery, Bloomberg reported.

American Trucking Associations and the Association of American Railroads jointly urged the House of Representatives to approve a proposed highway funding bill, while avoiding attempts to change truck size-and-weight limits provisions contained in the bill.

With a federal mandate on the use of electronic onboard recorders looming over the trucking industry, U.S. carriers may be following a regulatory course similar to one that their European counterparts have been dealing with for several years.

Equity firm Audax Group on Monday announced it has acquired Phillips & Temro Industries, a manufacturer of heating, cooling and silencing products for heavy-duty truck engines. Terms were not dislosed.

Software providers Ortec and Xata Corp. have announced enhancements to Ortec Mobile, a routing and scheduling software for fleets.