TORONTO—The Canadian Auto Workers has temporarily suspended negotiations with GM over a new contract for hourly workers at the carmaker’s CAMI assembly plant.

INGERSOLL, ON—The Canadian Auto Workers canceled a Sunday ratification vote on a new contract for union members at GM’s assembly plant here after negotiations hit a snag.

LANSING, MI—General Motors Co. could receive $4 million in tax breaks from the city of Lansing for building a $38.6 million logistical center there to support its Lansing Grand River Assembly Plant.

KANSAS CITY, KS—General Motors has begun construction on a new $600 million paint shop and other upgrades at its assembly plant here.

INGERSOLL, ON—The Canadian Auto Workers has begun negotiations with General Motors for a new contract at the carmaker’s assembly plant here.

LOCKPORT, NY—The auto parts assembly plant here has survived lots of change. The complex switched affiliations from GM to Delphi and then back GM in 2009. Today, the plant is humming, and workers and managers are more optimistic than ever.

SAO PAULO, Brazil—GM could build another assembly plant in Brazil if sales in the world’s fourth-largest auto market continue expanding at approximately 5 percent annually. The automaker’s existing facility here is already producing some 60,000 vehicles per year.

BOWLING GREEN, KY—For the first time, the GM’s Corvette assembly plant will also produce some of the high-performance engines for the sports car.

PONTIAC, MI—GM plans to expand its powertrain engineering complex here, adding approximately 300 jobs.

KANSAS CITY, KS—GM will invest $600 million to upgrade its assembly plant here. Construction on a new 450,000-square-foot paint shop, a stamping press and efficiency enhancements at the plant will begin this year.