Goodyear developed a specially engineered non-pneumatic (airless) tire (NPT) designed to extend tire life and reduce ...

So why do companies like Michelin and Goodyear say anywhere from ... That's why you'll hear airless tires like the Tweel referred to as non-pneumatic. Paul: They're going to have to come up ...

According to NASA and Goodyear engineers, development of the original Apollo lunar mission tires, and the new Spring Tire were driven by the fact that traditional rubber, pneumatic (air-filled ...