Complex sentence: Avelia Liberty is a model of high-speed passenger train marketed by French train producer Alstom, related to its Pendolino family of high-speed trains, adapted for North American railroad standards, including U.S. Federal Railroad Administration crashworthiness standards.
Split into simpler sentences: Avelia Liberty is a model of high-speed passenger train marketed by French train producer Alstom. It is related to the Pendolino family of high-speed trains, but adapted for North American railroad standards, including U.S. Federal Railroad Administration crashworthiness standards.