DETROIT—GM is planning to invest approximately $16 billion in its U.S. factories by 2016. The automaker is planning to unveil about 20 new or revamped vehicles in the United States.

RÜSSELSHEIM, Germany—GM will invest $301 million to construction new testing facilities at its European Product Development Center here.

LANSING, MI—The Lansing City Council on Monday approved a $4 million tax break for GM to build a $38.6 million logistical center near the automaker’s Lansing Grand River Assembly Plant.

DETROIT—GM and Ford will jointly develop a new line of nine- and 10-speed automatic transmissions for cars and trucks to enhance vehicle performance and fuel economy.

ROMULUS, MI—A man threatening suicide with a starter pistol caused the brief evacuation of GM’s powertrain assembly plant here Friday morning, but the incident ended safely with no injuries after police talked the man into surrendering.

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.