General Motors Co. employees working on a van assembly line in Wentzville, Mo., could see production limited later this year when a shortage of parts becomes a real problem because there aren't enough factories and people left to make them. That would mean fewer vehicles in showrooms for an industry trying to meet growing demand. (Associated Press)

General Motors Co. employees working on a van assembly line in Wentzville, Mo., could see production limited later this year when a shortage of parts becomes a real problem because there aren't enough factories and people left to make them. That would mean fewer vehicles in showrooms for an industry trying to meet growing demand. (Associated Press)