You’re talking about EMU/DMUs versus locomotives. Higher-speed travel is less efficient with an MU than with a locomotive-pulled train. Higher-speed is importan

You’re talking about EMU/DMUs versus locomotives. Higher-speed travel is less efficient with an MU than with a locomotive-pulled train. Higher-speed is important when North America is so large. See also: https://thebeaverton.com/2019/08/european-relatives-visiting-toronto-say-theyd-love-to-drive-and-see-the-rocky-mountains-while-theyre-here/ https://thebeaverton.com/2019/08/european-relatives-visiting...