Complex sentence: The Chesapeake and Ohio Railway (C&O) displayed its entire F.F.V. passenger train, There was a New York Central (NYC) electric engine on display, part of its Grand Central Station modernization project in New York City.
Split into simpler sentences: The Chesapeake and Ohio Railway (C&O) displayed its entire F.F.V. passenger train. The New York Central (NYC) electric engine on display was part of its Grand Central Station modernization project in New York City.