Complex sentence: In the following years the ÖGEG acquired several retired ÖBB locomotives, of which the first one to run again under its own power on ÖBB lines was locomotive ÖBB 93.1455 in 1978.
Split into simpler sentences: In the following years the ÖGEG acquired several retired ÖBB locomotives. The first one to run again under its own power on ÖBB lines was locomotive ÖBB 93.1455 in 1978.