I don't think it's racist, more classist. The "new" diesels are threatening to obsolete the older, dirtier, less efficient "steamies", the the steam engines und

I don't think it's racist, more classist. The "new" diesels are threatening to obsolete the older, dirtier, less efficient "steamies", the the steam engines understandably resent them for it. It reminds me more of the dynamic in The Office between the warehouse and office workers than anything to do with race.