Airless tires have been under development for over a decade. Now that EVs have emphasized the need for sustainable transport, could it finally be their time?

Installation is executed via a hydraulic press. Semi-pneumatic tires contain a hollow center and are not pressurized. Other characteristics include minimum weight, low cost, resistance to puncturing, ...

The apertures, or holes, molded into the sidewall of the tire provide cushioning. "Our Nu-Air semi-pneumatic tire is a solid tire that has air inside, but the air isn't confined," says George ...