Michelin is on to something, and it might be big.  Look what they have to say about their latest tire concept:

At Movin’On, Michelin is lifting the veil on what we think mobility will look like tomorrow: an airless, rechargable, 3-D printed organic tire, developed from bio-sourced, biodegradable materials. A connected tire, it provides real-time information about its condition and is integrated with innovative services.