原推：@asymco @shanewaring We came to 5 spots per car on a combination of bottoms up work and triangulating between sources, but there is a pretty wide error band on that and 8 wouldn’t surprise me
(There are also more cars than registered drivers in the US iirc so the denominator can be kind of wonky too)
https://twitter.com/wintonARK/status/1607428987294486528