That event was over a decade ago. Those were not production cars, and production at Tesla has moved away from this model and into "structural packs" where the b

That event was over a decade ago. Those were not production cars, and production at Tesla has moved away from this model and into "structural packs" where the battery pack is major structural component of the frame. Also, that demo was pretty much there to get some tax subsidies or something. They built the system to comply with the minimum to qualify, and once they got the money they didn't do anything else with it. Those cars weren't really production at all.