General Motors Spending $691 Million on St. Catharines Engine Plant

General Motors GMC pickup trucks are shown parked on Orono Agricultural Society land in Orono, Ont. on April 30, 2023. The Canadian Press/Doug Ives

General Motors says it will spend $691 million on its St. Catharines Propulsion Plant to support production of its latest V-8 engines for full-sized trucks and SUVs.

The automaker says the updates will make St. Catharines its third plant to produce the sixth generation of the engine, with production also based in Buffalo, N.Y., and Flint, Mich.