Editing Tweel (section)

==Uptis==
Michelin partnered with [[General Motors|GM]] in 2020 to offer the Unique Puncture-proof Tire System (Uptis) that may be available for the 2024 model vehicles. <ref>{{cite web|url=https://newatlas.com/michelin-gm-uptis-airless-tire/60004/?itm_source=newatlas&itm_medium=article-body|title=Michelin and GM unveil airless tires for a puncture-free ride |first=Aaron |last= Turpen |work=New Atlas |date=2019-06-05 |access-date=2022-05-22}}</ref> The tire made its first public appearance at the Internationale Automobil-Ausstellung (IAA) mobility show in Germany on an electric Mini Cooper.<ref>{{cite web|url=https://gmauthority.com/blog/2021/10/michelin-uptis-airless-tire-successfully-demoed-at-iaa-mobility-in-munich-video/  |title=Michelin Uptis Airless Tire Successfully Demoed At IAA Mobility In Munich: Video |website=GM Authority| first=Joel |last=McEacnern |date=2021-10-11 |access-date=2022-05-22}}</ref>

GM began testing the tires on a fleet of 2019 [[Chevrolet Bolt]] electric cars with the possibility for the Uptis to be an option on some GM vehicles in 2024.<ref>{{cite news |url=https://www.autoblog.com/2019/06/04/michelin-uptis-2024-chevy-bolt-airless-tire-test/#slide-1280316 |title=Michelin and GM test airless tires on Chevy Bolt EV |work=autoblog |location=US |first=Sam |last=Stocksdale |date=2019-06-19 |access-date=2022-05-22}}</ref>

The Uptis uses an aluminum wheel assembly and rubber reinforced with glass composite and vinyl ester resin, an improvement over designs such as the Tweel.<ref>{{cite web |url=https://gmauthority.com/blog/2019/06/gm-partners-with-michelin-to-introduce-airless-tires-by-2024/ |title=GM Partners With Michelin To Introduce Airless Tires By 2024 |website=GM Authority |first=Sam |last=McEacnern |date=2019-06-04 |access-date=2022-05-22}}</ref>