RegioJet commences trials on Sirius six-car EMU, Czech Republic September 30, 2024 | Europe News, News RegioJet has commenced trials on a Sirius six-car electric multiple unit (EMU) supplied by China Railway Rolling Stock Corporation (CRRC) on Line R23 between Ústí nad Labem and Kolín. The trials will ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password