However, as it begins its introduction of its new Class 810 fleet, it has also confirmed that some services will run with fewer carriages and without seat reservations as it battles with the delayed introduction of the new trains. East Midlands Railway (EMR) has confirmed that it will begin handing back its fleet of 222s back to Eversholt Group with three sets due to move between September and December. East Midlands Railway (EMR) has confirmed that it will begin handing back its fleet of 222s back to Eversholt Group with three sets due to move between September and December. However, the 222s have a phased return to Eversholt Group with several due to be used on Lumo’s London Euston-Stirling service. An EMR spokesperson said: "To maintain a reliable service during the transition period, over the winter, a small number of EMR trains will run with fewer carriages than usual, and some services will not have seat reservations.