GM, Michelin to test airless tire prototype

5 Jun
GM, Michelin Uptis airless tire prototypeGeneral Motors and Michelin said Tuesday that they will test an airless tire prototype called the Uptis. Uptis, which stands for "unique puncture-proof tire system," is designed to be puncture-proof, to last longer than a conventional tire, and to require less energy to produce. The airless tire made its debut at the Movin' On Summit, which...