A tentative contract between Unifor, the union representing Canadian autoworkers, and General Motors would restart vehicle production at GM’s plant in Oshawa, Ontario. The deal would see workers producing pickups, such as the GMC Sierra and Chevrolet Silverado. (Photo: Courtesy/General Motors)

General Motors plans to invest $1.3 billion (Canadian) to reopen its assembly plant in Oshawa, Ontario.

The stunning announcement came Thursday during a news conference to discuss the