Complex sentence: The GM6C was a solitary testbed electric locomotive built by General Motors'Electro-Motive Division in collaboration with the Swedish company ASEA and rolled out from EMD's La Grange, Illinois plant May 1,1975.
Split into simpler sentences: The GM6C was a solitary testbed electric locomotive built by General Motors'Electro-Motive Division of the United States in collaboration with ASEA of Sweden. It was rolled out from EMD's La Grange, Illinois plant on May 1,1975.