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Cummins Inc. said Tuesday its second-quarter profit slipped from a year ago but its heavy-duty truck engine sales improved.

Rand McNally Inc. said it has upgraded the hardware for its TPC 7600 mobile communication fleet-management system.

Truck and auto component maker Dana Holding Corp.’s second-quarter profit improved on higher North American production levels, the company said Thursday.

If an amendment to block funding for an electronic onboard recorder mandate does not make it into law, its main sponsor, Rep. Jeff Landry (R-La.), said he is prepared to do whatever he can to stop the federal government from mandating such devices.

Yes, American Trucking Associations is a staunch supporter of the federal mandate requiring electronic logging devices to monitor hours-of-service compliance for the nation’s truck drivers.

Manufacturing activity in the Philadelphia region contracted for a third straight month in July, Federal Reserve Bank of Philadelphia said Thursday.

Daimler AG and its joint-venture partner, China’s Beiqi Foton Motor Co., said they will build a $166 million plant with the capacity to make as many as 45,000 engines a year for its trucks to serve the fast-growing Chinese market.

Engine maker Cummins Inc. said Wednesday it completed its acquisition of the emission control assets of Germany-based Hilite International.

The Senate has rejected a bill that would have brought back the bonus depreciation tax deduction for capital spending, a proposal backed by American Trucking Associations.