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Behold The Hyundai Uni Wheel. Transportation May Never Be The Same
(cleantechnica.com)
This is a most excellent place for technology news and articles.
My completely unfounded hypothesis is that a lot of these guys are just all sour grapes because they are in a position wherein they can't afford a car (or a motorcycle, or whatever). So they think everyone else should be miserable like them, too.
The environmental aspects I get, but I also get the feeling that's actually just a post-hoc rationalization to the whole no-personal-transportation sect.
I had three cars and a motorcycle at one point, though now I'm down to one car and a bicycle. But whatever makes you feel superior, I guess. Fuck the people with legitimate ideas to improve life and the environment.