ºÚÁϳԹÏÍø

Publicly traded less-than-truckload carriers generally posted lower earnings in the third quarter, with several fleets warning that freight volumes would get worse as the fourth quarter unfolds.

NEW ORLEANS — Fleet executives said that despite the benefits of using safety technology, attitudes within the industry need to change in order to have wider acceptance.

Arkansas Best Corp.’s third-quarter net income fell to $15.4 million, or 61 cents a share, from $18.9 million, or 75 cents, a year ago.

Truck dealership Rush Enterprises’ third-quarter net income fell to $8 million, or 21 cents a share, down from $13.1 million, or 34 cents, a year ago.

Truckload carrier Knight Transportation’s third-quarter profit rose to $16.1 million, or 19 cents a share, from $14.5 million, or 17 cents, a year ago.

Greatwide Logistics Services, a provider of non-asset-based transportation and third-party logistics services, said it will be acquired by a private investor group.

Canadian National Railway, Canada’s largest railroad, said its net income rose 14% to C$552 million in the third quarter, or C$1.16 a share, from C$485 million, or 96 cents, a year ago.

Transportation and third-party logistics firm C.H. Robinson Worldwide said its third-quarter profit rose to $93.6 million, or 54 cents a share, from $83.7 million, or 48 cents, a year ago.

The Federal Motor Carrier Safety Administration soon will introduce a program that will list certified medical examiners on a national registry and require all interstate commercial truck drivers to obtain their medical certification from an approved examiner.

Trucks in Pennsylvania will be prohibited from idling their engines for more than five minutes in a 60-minute period under a newly enacted state law.