Complex sentence: In January 2007, the first of the refurbished Mark 3 sets for the ECML were unveiled by previous franchisee GNER-these have been internally refitted to the same standard as the "Mallard" Mark 4 stock with the same styles of seating and lighting.
Split into simpler sentences: In January 2007, the first of the refurbished Mark 3 sets for the ECML were unveiled by previous franchisee GNER. These have been internally refitted to the same standard as the "Mallard" Mark 4 stock with the same styles of seating and lighting.