Complex sentence: The DR1 diesel-electric trainset was manufactured by Rīgas Vagonbūves Rūpnīca from 1963 for suburban commute usage within the Soviet Union, and remained in use by Edelaraudtee in Estonia until 2014.
Split into simpler sentences: The DR1 diesel-electric trainset was manufactured by Rīgas Vagonbūves Rūpnīca from 1963 for suburban commuter usage within the Soviet Union. They remained in use by Edelaraudtee in Estonia until 2014.