Swift Transportation reported profits plunged 84% in the first quarter compared with 2016 as truckload carriers suffered from continued excess capacity and lower contract prices than they had hoped for this year.

MONTREAL — Equipment manufacturers Mack Trucks and SAF Holland rolled out extra-heavy-duty options here at the ExpoCam truck show, while an executive with trailer maker Manac Inc. pointed out that his customers often have to heat their dry vans.

Rail freight companies began the earnings season with mixed results as profits rose 1.7% at CSX Corp. but plunged 20% at Canadian Pacific Railway Ltd. in the first quarter compared with the same period a year ago.

ORLANDO, Fla. — The emergence of Uber-style transactions in the freight industry will not replace brokers, experts in the segment said while acknowledging a surge in both the number of new motor carriers and mobile apps to locate freight.

MONTRÉAL — Mercer Transportation Co. is a regular at the Mid-America Trucking Show because the flatbed carrier and MATS share Louisville, Ky., as a hometown — but that was not a reason to avoid ExpoCam.

Kansas City Southern reported profits rose 36% in the first quarter, although the gains were lowered to a 12% increase after applying the exchange rate between the Mexican peso and the U.S. dollar.