Key Facts

—The bidder. Canada’s Alimentation Couche-Tard is in talks with Grupo Ultra to buy a stake in the fuel retailer Ipiranga.

—The asset. Ipiranga is Brazil’s second-largest fuel distributor, with more than six thousand service stations.

—The scale. The business generates more than one hundred and forty billion reais a year in revenue.

—The process. Owner Ultrapar hired the bank BTG Pactual to lead a sale and has drawn several global suitors.