Recently read "The machine that changed the world", and I too wish there was a more recent study. I've worked in several Michigan and Indiana tier 1s and OEM pl

Recently read "The machine that changed the world", and I too wish there was a more recent study. I've worked in several Michigan and Indiana tier 1s and OEM plants, and seen some of the differences described, but the book is 30 years old now. The fundamentals are still fundamental, and culture change is really, really slow, but everyone's making improvements.