I can understand the images of an HST▸ and an Alstom/Bombardier Aventra, both rail products developed and/or built in Derby. But why the Rolls Royce background? Yes, RR is associated with Derby but they've never, to my knowledge, developed or built passenger rail transport products in Derby.
Wait until they unveil the new nuclear
EMU▸ .
Rolls Royce diesel engines were used in Class 127
DMU▸ 's (Bed-Pan), also used in a number of shunting locomotive.
MTU▸ is a Rolls Royce company, MTU engines replace the Paxmans in the HST's and currently used in a number of modern DMUs