sleeper service locomotives. On 31 May 2022, GWR announced they are looking for 30 four-coach 110 mph capable 25kV EMU trains for services between London Paddington and Swindon, capable of continuing to Cardiff. In February 2023, GWR purchased a number of assets from the administrators of battery train manfuacturer Vivarail, including rolling stock and intellectual propery rights. GWR have also employed nine Vivarail staff. It intends to trial the Class 230 units on the Greenford branch line between West Ealing and Greenford. Past fleet Former train types operated by Great Western Railway include: Locomotive-hauled trains were in use on services between Cardiff, Bristol, Taunton and Paignton from December 2008 until November 2010 using Virgin Trains locomotives with Mark 2 coaching stock. A second set hauled by EWS s was used between December 2009 and October 2010. These were withdrawn when sufficient DMUs were available following the transfer of six Class 150/1 sets from London Overground. First Great Western issued a tender in May 2013 so that locomotive-hauled trains, or other train formations, could be operated on the Taunton-Cardiff route again, proposed to start in December 2013, to cover for DMUs out of service for refurbishment on Monday-to-Friday diagrams. GWR also runs loco-hauled sets composed of seating coaches and a Class 57 locomotive from the Night Riviera service between Penzance and Exeter St Davids as part of the summer timetable to release a DMU for other services. Twelve Pacer DMUs were received by First Great Western in 2007, starting operations that December. These were sub-leased from Northern Rail (where they had been stored), in part to cover for refurbishment of FGW's Sprinter fleets but also to allow the Class 158s to be re-formed as three-coach sets. They were based at Exeter TMD, working alongside the similar on services in Devon and Cornwall, including the Avocet Line, Riviera Line and Tarka Line. Five 142s were returned to Northern Rail in late 2008, following the completion of the refresh of Class 150 Sprinter units. The remaining seven units were returned to Northern Rail by November 2011 as they had been replaced by Class 150 units cascaded from London Overground and London Midland following the arrival of new Turbostar units. GWR's Night Riviera service also included the UK's last Motorail service, until that aspect was withdrawn at the end of the 2005 summer season due to low usage. First Great Western previously leased 14