For what it’s worth, all of the technical specifications are open and published by Tesla. I believe they a design patent, but that they’ve committed to open use of it as with their other patents.

Built in sewage & electricity to the roads! No more forgetting, and having a sewage backup emergency in your cities

Cities Skylines is one of my favorite modern games. I’ve mostly played it on PC, but also played it extensively on the Switch, which surprised me. Despite CS1 not being “designed” for console, it plays surprisingly well with a controller and I am looking forward to seeing how CS2 works with a controller too