Complex sentence: The first E-class tram arrived at Yarra Trams' Preston Workshops on 28 June, by September 2013 there were two E-class trams at Preston Workshops undergoing non-passenger testing in preparation for introduction to service in late 2013.
Split into simpler sentences: The first E-class tram arrived at Yarra Trams' Preston Workshops on 28 June. In September 2013, there were two E-class trams at Preston Workshops undergoing non-passenger testing in preparation for introduction to service in late 2013.