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GM and Michelin will bring airless tires to passenger cars by 2024
Airless tires for everyday cars might soon be far more practical. GM and Michelin have unveiled a prototype of Uptis (Unique Puncture-proof Tire System), a Michelin-made tire intended for passenger cars. It looks like Tweel and other air-free concepts of years past, but its mix of composite rubber and resin embedded fiberglass lets it operate at highway speeds -- earlier options tend to work only when you're slowly putting around. It's not as visually appealing as conventional tires, but Michelin claims it's just as comfortable.
