Why don’t cars use these indestructable airless tires? – video

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Michelin makes an indestructible, airless tire and wheel combination it calls “Tweels.”  Although it has tried to market them to cars, they have not yet caught on.  However, times are changing.  Our roads are getting worse, not better.  With automakers’ increasing focus on fuel efficiency and reduced rolling resistance, tires are now required to make […]