Michelin Introduce Puncture Proof Airless Tire Michelin's new Unique Puncture-Proof Tire System (Uptis) does away with one of the defining aspects of tires as we've known them for more than 100 years: the air inside. Unlike past attempts at airless tires, Uptis functions the way other modern tires do and, Michelin claims, will provide a similar driving experience. Unveiled at the company's sustainable-mobility-focused Movin'On Summit in Montreal today, Uptis is a tire without
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