Radical airless tyre has half the rolling resistance and is cheaper to make

April 30, 2005 Michelin’s radical new Tweel announced in January this year looks set to be the next big thing in tyre technology but recent news from Amerityre on a very similar technology suggests there will be strong competition in the airless tyre market, as more than one manufacturer is close to market. Amerityre has successfully completed high-speed testing of its experimental non-pneumatic or “zero-pressure” polyurethane tyre in testing for FMVSS 129 compliance, the safety standard governing the testing of non-pneumatic car tyres. The advantages of the polyurethane tyre are many according to Amerityre including much cooler running temperatures (less wear), much lower rolling resistance (amounting to a reported 10% decrease in fuel consumption) and the ability to produce a complete tyre inside a few minutes significantly simplifying and reducing the cost of the manufacturing process.

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