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The automobile industry is focusing on state lawmakers in an effort to head off any plans to regulate greenhouse-gas emissions similarly to California, the Wall Street Journal reported Monday.

Competition among fuel-card providers to keep major fleets is intensifying as carriers seek to mitigate the $4-a-gallon cost of fuel by paying closer attention to how it’s purchased.

A report that truck tonnage declined in March provided new evidence that the U.S. economy is still weak, amid more signs that manufacturing and consumer spending will generate less freight for trucking to move in months to come.

GRAPEVINE, Texas — The increasing complexity of diesel engines represents a major opportunity for profitability in dealership maintenance shops, said the departing chairman of American Truck Dealers.

U.S. retail diesel prices set a record for the third consecutive week as the national average rose 3.4 cents a gallon to $4.177, according to data from the Department of Energy.

Factory orders rose 1.4% in March, the Commerce Department said Friday.

Union Pacific Corp. said Thursday its board authorized a two-for-one stock split, effective May 28 to shareholders of record as of May 12.

Truck stop chain TravelCenters of America said Thursday it has agreed to settle a 2006 civil suit by competitor Flying J Inc. regarding processing of card transactions.

Purolator Courier and Teamsters Canada have reached a tentative agreement on a contract renewal for Purolator’s couriers, package handlers, truck drivers and owner-operators across Canada, the company said.