Puncture-proof tire rolled out at sustainability summit

 From left: Steve Kiefer, Senior VP, Global Purchasing and Supply Chain, GM, Florent Menegaux, Michelin Group CEO, and Eric Vinesse, Executive VP, Research and Development, Michelin were on hand for the unveiling of the Uptis puncture-proof tire. (credit: Jimmy Hamelin) It looks like a regular tire without the sidewalls, but this