MEXICO CITY—GM will invest $691 million to expand its Mexican operations, including engine assembly plant in Toluca.

DETROIT—The federal government plans to sell another 30 million shares of General Motors stock in a public offering today as it speeds up efforts to divest itself from a stake in the auto giant that it got in a bailout four years ago.

LANSING, MI—GM plans to spend $44.5 million to open a new logistics center at its Lansing Grand River assembly plant, creating 200 jobs.

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.

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.