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A proposal to outsource regulatory requirements for the manufacture and maintenance of cargo tanks to a pair of professional organizations would impose a costly financial burden on the cargo tank industry, several industry commenters told federal regulators.

More than 400 contractors, materials suppliers and engineers are expected to rally in Washington Wednesday and to lobby Congress for a new highway bill to replace the one that originally expired in September 2009.

TravelCenters of America, the nation’s only major truck stop chain that is publicly traded, announced a secondary offering of 10 million shares to be priced at $5.69 each.

New home sales climbed 7.3% in April, two months after falling to a record low in February, the Commerce Department said Tuesday.

UPS Inc. has begun using biodiesel fuel blends at its Worldport hub in Louisville, Ky., the National Biodiesel Board said.

Mack Trucks said it will boost production and add a shift at its Macungie, Pa., truck plant in August, adding about 300 new employees.

TransForce Inc. and DHL Express Canada agreed to enter a 10-year agreement under which TransForce will buy the assets of DHL Express’ domestic Canadian business, the companies said.

Industrial manufacturer Eaton Corp. said it has combined its truck and automotive aftermarket divisions with its heavy-duty clutch building subsidiary into a single entity called the global aftermarket and clutch business unit.

Freight capacity remains generally tight and demand strong ahead of the summer shipping season, ac-ording to several carrier executives and analysts.