The story of the Nummi car plant, the joint venture between Toyota and GM is well known, almost legendary. It didn’t work out entirely well for GM. Frank Langfitt explains why GM didn’t learn the lessons—until it was too late. Find the This American Life recording here. Lean Product Development, or Toyota Product Development is a core part of Big Orange Square, it provides many practices and experiences to the concept of how to Scrum industrial product development. Tesla now owns the plan, makes you wonder which lessons learned from Nummi they are applying in their production system.