Original sentence: MtE trains ran from Warsaw to Łódź (a distance of 130 km in 1 hour 28 minutes), Poznań, Kraków, Katowice (through either Częstochowa or Kielce), and Suwałki.The most interesting and impressive were the diesel express trains, or "Pociagi Motorowe-Ekspresowe - MtE" (more commonly known as Luxtorpeda).These units achieved great speeds and connected Warsaw with the most important cities, as well as major tourist areas
Edited sentence: MtE trains ran from Warsaw to Łódź (a distance of 133 km in 1 hour 28 minutes), Poznań, Kraków, Katowice (through either Częstochowa or Kielce), and Suwałki.The MtE units achieved speeds up to 110 km/h and connected Warsaw with the most important cities, as well as major tourist areas.The most interesting and impressive were the diesel express trains, or "Pociagi Motorowe-Ekspresowe - MtE" (some of them operated with the famous Luxtorpeda)