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Truck and auto components maker ArvinMeritor Inc. said Tuesday it posted a second-quarter profit on cost cuts and higher auto production.

A proposal that would allow police to fine drivers of cars and trucks $75 for failing to remove snow and ice from their vehicles has overwhelmingly passed the Connecticut House.

The Federal Motor Carrier Safety Administration issued a waiver from its hours-of-service rules for trucks hauling supplies being used in the cleanup of the massive oil spill in the Gulf of Mexico.

TAMPA, Fla. — Some of America’s largest fleets reported general acceptance of the 2007 generation of diesel engines, although some said they had difficulties and higher expenses with them, in assessments offered during the annual meeting of the Technology & Maintenance Council here recently.

Navistar International Corp. said it has resolved its lawsuit against the U.S. Environmental Protection Agency over the types of technology to be used in new diesel engines.

A growing oil slick in the Gulf of Mexico well in the Gulf of Mexico could hamper production, shipping and refining of oil and natural gas in Mississippi, Alabama and Louisiana, Bloomberg reported Monday.

KISSIMMEE, Fla. — Mack Trucks CEO Dennis Slagle said he is reinvigorating his company and willing to take on any rival, and he promptly picked fights with Navistar Inc. and Transportation Secretary Ray LaHood.

U.S. manufacturing activity expanded in April at its fastest pace since June 2004, the Institute for Supply Management said Monday.