The attractive, white, all-electric 4-door coupe sat hidden under shimmering gold fabric for most of Wednesday morning at the New York International Auto Show before Polestar revealed its new 4-door EV, the Polestar 4, and presented an innovation conundrum: does a car need a rear window?This was Polestar’s big innovation for its new EV: removing the rear window and instead placing an HD screen camera on the spoiler and projecting that image on the interior rear-view ‘mirror’. Of course,
