Complex sentence: The Ranger and Mazda B-Series were manufactured at Ford's Twin Cities Assembly Plant in St. Paul, Minnesota, Louisville, Kentucky until 1999 and in Edison, New Jersey until the plant's closing in 2004.
Split into simpler sentences: The Ranger and related Mazda B-Series were manufactured at Ford's Twin Cities Assembly Plant in St. Paul, Minnesota. They were also assembled in Louisville, Kentucky until 1999 and in Edison, New Jersey until the plant's closing in 2004.