I think you are correct, he will stay retired and then come back.

Cannot unsee that now. But, yest I find them, and the rest of the car somewhat ugly.

This has been the situation with the big trucks/Semi’s for a while now. The new EPA emission regulations for diesels, and the resultant emissions equipments on the trucks have ruined them. They have become unreliable, inefficient (mileage has fallen), and unreliable.