PARIS — France's national postal system, Groupe La Poste, has agreed to work with Michelin Group over the coming two years to test the tire maker's UPTIS non-pneumatic tire/wheel hybrid on ...

Ever had a flat tire you needed to fix on the freeway at 2 a.m., lit only by headlights and pure regret? You've probably pondered: Why the hell aren't we on airless tires by now? They're flat-proof, ...