[SaveFerris]

Engines pulling engines. Or are these the types that need to be upgraded as per emissions?

(I don’t actually know)

http://wolfstreet.com/wp-content/uploads/2016/05/US-railroads-Union-Pacific-engines-idled-2016-05-031.jpg

[Pontiac]

Engines pulling engines. Or are these the types that need to be upgraded as per emissions?

My guess is that they are not going anywhere but are on a siding sitting idle in storage.