 The lease ended in December 2005 and a year later the same sets were working SNCF services to Calais in Eurostar livery, albeit with the Eurostar branding and yellow front panels removed.The chief executive of Eurostar, Richard Brown, suggested that the trains could be replaced by double-deck trains similar to the TGV Duplex when they are withdrawn.A double-deck fleet could carry 40 million passengers per year from Britain to Continental Europe, equivalent to adding an extra runway at a London airport.