The Amerityre ‘no air’ polyurethane tyre. Forget the Tweel, this looks like it could be cheaper, more robust and quicker to market. Only as a spare tyre at the moment, though. The advantages of the “zero pressure” tire are as follows: Reliability: Solid polyurethane elastomer construction does not require high pressure to carry vehicle load, and provides the consumer with an “always ready” solution in the event of regular tire failure. Durability: Polyurethane elastomer material performance meets or exceeds performance…
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