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Truckers on the Maine Turnpike, which includes a stretch of Interstate 95, will pay up to 40% more in tolls beginning in November.

Motor carriers and shippers cited for hazardous materials violations face far greater penalties following the passage of the new federal highway reauthorization law.

The Obama administration is making up to $17 billion available for transportation infrastructure project loans, thanks to a provision in the new transportation law, the Department of Transportation announced.

Truck and engine manufacturer Navistar International Corp., pressed to find a way to offer engines that comply with federal emissions regulations, said last week that it has reached an agreement to use Cummins Inc. selective catalytic reduction technology for its 13-liter engines and offer Cummins 15-liter engines in some of its International brand trucks.

Proposed changes intended to strengthen federal enforcement of fleets that haul hazardous materials would have the unintended effect of damaging the safety ratings of some of the industry’s safest operators.

Factory orders dropped 0.5% in June, the Commerce Department said Thursday.

Truckload carrier P.A.M. Transportation Services said its second-quarter net income rose to $935,000, or 11 cents per share, from $693,000 or 8 cents, a year ago.

Patriot Transportation Holding’s fiscal third-quarter net income rose to $2.68 million, or 28 cents per share, from $2.38 million, or 25 cents, a year ago.

The California Air Resource Board will be conducting increased heavy duty diesel truck inspections throughout August at scales, truck stops and fleet facilities.

Georgia voters in nine of 12 state regions rejected a 1% sales tax to pay for transportation projects, the Associated Press reported.