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American Trucking Associations said Tuesday it has filed a lawsuit asking a federal court to compel the U.S. Department of Transportation to issue a long-overdue hours-of-service supporting documents regulation.

The Commodities Futures Trading Commission has issued a proposed rule that would limit the number of oil and gas futures contracts investors can hold.

In a legal maneuver designed to bolster its defense in a federal lawsuit filed by truck manufacturer Navistar Inc., the U.S. Environmental Protection Agency has revised its 2010 engine selective catalytic reduction guidance to remove a specific requirement limiting the hours and miles a truck can operate after its urea tank runs dry.

WASHINGTON — Anne Ferro, head of the Federal Motor Carrier Safety Administration, told Transport Topics the agency was committed to meeting its deadline to revise the driver hours-of-service rule.

WASHINGTON — Transportation Secretary Ray LaHood said last week he expected the Obama administration and Congress would agree on a surface transportation bill that could be finalized before the end of the year.

A new economist’s report challenges claims that trains are more fuel efficient than trucks and questions whether hauling more freight by rail actually improves air quality.

Most of the Class 8 trucks sold in the United States last year by Daimler Trucks North America and Navistar Inc. were — for the first time ever — assembled in Mexico, both companies have acknowledged.

WASHINGTON — As the Department of Transportation continues its push to reduce vehicle crashes related to distracted driving, Transportation Secretary Ray LaHood announced the agency was lending its support to a new nonprofit group modeled on other victims’ advocacy coalitions to pressure lawmakers to ban text messaging and other forms of distraction.

WASHINGTON — Anne Ferro, head of the Federal Motor Carrier Safety Administration, told Transport Topics the agency was committed to meeting its deadline to revise the driver hours-of-service rule.