What happened to the disappearing car door?

This catchy video shows a concept car with doors that slide down into it’s belly.
3 minutes watch with 90’s music and impressive narration. The video showcases a Lincoln Mark VIII with a rather complex attempt to solve a problem that only marginally exists.

This video is 16y old. The URL disappearing-car-door.com no longer exists. But here, you can find more information: https://tiremeetsroad.com/2019/11/18/why-disappearing-car-doors-that-retract-underneath-the-vehicle-never-caught-on/

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