New items continue to come into the game that we change our builds around for and green steel items that were in their place become paperweights in our bank accounts as we craft them into new locations.
What I'm hoping for is sometime in the near future to have the ability to break your old green steel down for it's ingredients. Perhaps you lose all the shards & energy cells as the cost. I'd even be ok if like 25-50% of the ingredients didn't come back.... but some return on the investment of ingredients that we've put into these items that are collecting dust would be nice to see.
Any word on if something like this is in the works or can be sometime soon?