We've been reporting on Michelin's airless tire technology for more than 16 years now. Indeed, the first time we wrote about the "Tweel" back in …
Storyboard
Airless car tires get their first public outing
Michelin has teamed up with GM to design and start selling an airless tire for street use on passenger cars. Called Uptis, this product is a full-wheel solution requiring specialized rims. Michelin says it will withstand much greater impacts than a regular tire and wheel, and will have a "dramatically" longer lifespan.
