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The U.S. Equal Employment Opportunity Commission filed a lawsuit recently against Old Dominion Freight Line Inc., saying that the carrier’s policy of not permitting drivers with a history of alcohol problems to return to driving, even after treatment, violated the Americans With Disabilities Act.

Engine manufacturer Cummins Inc. will use incremental improvements to its current selective catalytic reduction engines to meet new federal standards for limiting greenhouse gas emissions between now and 2017, a senior company engineer said.

Consumer confidence dropped in August to its lowest level since November 2008, according to the Thomson Reuters/University of Michigan consumer sentiment index released Friday.

The U.S. economy grew at a 1% annual rate in the second quarter, the Commerce Department said Friday, lowering an earlier estimate.

Air quality at the Ports of Los Angeles and Long Beach continued to significantly improve during 2010, each port registering a roughly 40% decline in diesel particulate matter emissions when compared to 2009, according to new port emissions inventory studies.

Facing a major restructuring and the closings of thousands of post offices, the U.S. Postal Service is ending its foray into less-than-truckload hauling on Sept. 19.

California’s attorney general announced a settlement last week with seven Southern California port terminal operators to resolve the state’s claims that residents near the ports were exposed to dangerous levels of diesel exhaust from the terminals.

The consumer price index rose 0.5% in July as food and energy costs increased, the Labor Department said Thursday.