Engine maker Cummins Inc. said first-quarter profit rose on higher engine sales in North America.

Diesel’s national average price rose 3.1 cents to $2.811 a gallon, the second consecutive increase, while gasoline jumped to a five-month high, the Department of Energy reported April 27.

Employees at Con-way Freight’s Buffalo, New York, facility voted to reject representation by the Teamsters union, the company said.

Ritchie Bros. Auctioneers is set to hold its largest Canadian auction next week, and the downturn in the energy sector is playing a significant role in adding equipment to the auction block, according to Ritchie and Canadian industry officials.

Truck dealership chain Rush Enterprises’ first-quarter net income rose as its Class 8 truck sales jumped more than 50% year-over-year.

Paccar Inc. reported first-quarter income rose 38% from a year go on higher truck sales, and the company predicted higher industrywide U.S. and Canadian heavy-duty truck sales for this year.

IBM and Rush Enterprises announced that Rush’s nationwide network of more than 100 truck dealership locations will use IBM DealerWorks enterprise software to provide real-time access to customers.

Diesel’s national average price rose 2.6 cents to $2.78 a gallon, the first gain in six weeks, as oil prices held near their highest level this year, the Department of Energy reported April 20.

Celadon Group Inc. announced several promotions within to its senior management team. The changes are effective immediately.