At NVIDIA’s GTC Berlin conference on October 21, 2026, Porsche, Volkswagen Group brands, and CARIAD announced they are jointly building a shared data flywheel for autonomous-vehicle development, with Porsche leading the initial implementation and ecosystem integration together with Voxel51, NVIDIA, and Microsoft. The Volkswagen Group is leading development of a physical AI stack that links fleet data with simulation, training, and evaluation. Voxel51 said the group’s connected fleet generates…