In the two years since publication of the 2007 Rail White Paper, 543 new carriages have been ordered. Of these 232 are already in service: 148 with London Midland on services operating on lines out of London Euston and 84 on Thameslink routes operated by First Capital Connect.
We are currently in negotiations for a number of other procurements.
The diesel engine is switched off and therefore will not consume any fuel under the wires.