Original sentence: Canada placed some early hopes with the United Aircraft Turbo train, in the 1960s.The Turbo Train featured the latest technology advances such as Talgo attachment for rigid coach articulation and gas turbine power.The first is in Alberta, between the cities of Edmonton and Calgary via Red Deer.The second is in Ontario and Quebec, between Windsor, Ontario and Quebec City.The train sets achieved speeds as high as 200 km/h in regular service, but for most of its service life (marred with lengthy interruptions to address design problems), it ran at a more realistic 160 km/h
Edited sentence: Canada placed some early hopes with the United Aircraft Turbo train, in the 1960s, which was a true HST.It was the world's first tilting train.The Turbo Train featured the latest technology advances such as passive coach tilting, Talgo attachment for rigid coach articulation and gas turbine power.The first is in Ontario and Quebec, between Windsor, Ontario and Quebec City.The second is in Alberta, between the cities of Edmonton and Calgary via Red Deer.The train sets achieved speeds as high as 200 km/h in regular service, but for most of its service life (marred with lengthy interruptions to address design problems and having to cope with the track poor quality), it ran at a more realistic 160 km/h