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The coolers at the heart of exhaust gas recirculation systems that have been present on diesel truck engines since 2002 have been failing at a worrisome rate, according to several fleet managers.

The Transportation Intermediaries Association has renewed its bid to force the Pipeline and Hazardous Materials Safety Administration to display more information in its database for consistency with another federal agency.

Satisfaction with model-year 2011 trucks suffered as a result of technology added to comply with 2010 federal emissions regulations, which resulted in customers’ reporting more problems with the trucks, a recent J.D. Power and Associates’ survey found.

Some trucking companies may stop offering health insurance plans as President Obama’s health-care overhaul takes effect, some experts said, citing the increasing costs of insurance compared with the penalty for not offering plans.

The Federal Motor Carrier Safety Administration said it ordered Lebanon, Tenn.-based trucking company Three Angels Farms shut down for safety violations.

A year after U.S. officials agreed to allow Mexican trucks into the country, only four Mexican carriers are participating, far below the number the United States has said would be needed to judge the safety of Mexican trucks.

Roughly one-third of the 3,446 truck drivers involved in fatal accidents in 2010 were cited in police accident reports for such contributing “driver-related factors” as speeding, fatigue and inattention, a senior federal transportation researcher said.

The Supreme Court Thursday upheld President Obama’s healthcare law that expands insurance to millions of Americans, Bloomberg reported.

FedEx Corp. said its fiscal fourth-quarter earnings, excluding a charge for aircraft retirements, rose to $634 million, helped by a 93% increase in operating income at the FedEx Freight segment.