[aerohead]

For all the really fine tandem designs offered over the decades, none seemed to ever fire the public's interest, regardless of how great they might have been.
GM, Ford, Mercedes-Benz, and Volkswagen all tried.
James Bede's 100-mpg Lightstar never caught on. Aptera.
In the 1950s, if you bought a Cadillac, they'd give you a Messerschmitt 3-wheeler for 'free.' I've only seen one of those on the road, and only because my Air Force roommate's girlfriend's brother had one.
I started to mockup a 3-wheeled tandem 'mini-hypercar' and soon abandoned the project after experiencing how traffic treated me when riding the motorcycle the car would have been based on.
It was one thing to lay a bike down on Ventura Boulevard commuting to high school in the late sixties, something else just to be run over by a local good-ole'-boy in a pickup, just 'cause I happened to be on the same road.
There is no right to life in Texas.