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LOUISVILLE, Ky. — Despite receiving requests from a bipartisan group of seven lawmakers in transportation oversight roles, the Federal Motor Carrier Safety Administration will not delay the July 1 effective date of the latest changes to its hours-of-service rule, FMCSA Administrator Anne Ferro said here Friday.

LOUISVILLE, Ky. — The new leader of Navistar International Corp. told his suppliers here that he sees opportunity for truck makers in general, his company included, but they may have to wade through a difficult environment filled with regulatory and operational difficulties and static demand for trucks.

LOUISVILLE, Ky. — Daimler Trucks North America said it plans to lay off about 600 factory workers, less than half the number it initially projected earlier this year.

LOUISVILLE, Ky. — Mack Trucks displayed two new suspensions, one for highway tractors and another for heavier vocational vehicles, here at the Mid-America Trucking Show.

LOUISVILLE, Ky. — ThermoKing introduced two new refrigeration units, a new auxiliary power unit and two new wireless products here at the Mid-America Trucking Show.

LOUISVILLE, Ky. — The Federal Motor Carrier Safety Administration is “just about ready” to propose regulatory guidance that would urge medical examiners to require that some obese truck drivers be screened for obstructive sleep apnea before being allowed to drive, an agency official said.

LOUISVILLE, Ky. — Industrywide truck sales will be relatively flat this year compared with last year, the head of Daimler Trucks North America said in an interview here.

LOUISVILLE, Ky. — CAT Scale Co. unveiled a mobile application that drivers can use to weigh their trucks without getting out of the cab.

Louisville, Ky. — Michelin Americas Truck Tires introduced two new products here at the Mid-America Trucking Show that it said will help fleets boost fuel efficiency.