Placing the motors inside the wheels frees up a lot of space, 7:32 allowing a "cab-forward" design that's more aerodynamic...lower roofline...mass reduction...more efficient because the motors don't have gears...
8:10 - leads to a vehicle that is able to transport a unit of volume in a much more efficient manner from A to B, so that means less charging, smaller batteries for a given range, lower cost.
11:32 In-wheel motors were invented by Porsche himself in 1925. [They're also in the Aptera.]
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