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Amerityre Corporation
announced
today that production quality prototypes of its “zero pressure” (no air) space saver spare tire are being delivered to
auto companies for testing and evaluation.
The polyurethane tire is manufactured directly onto the car wheel, and never needs inflating and can never go flat.
The company claims an operating range of over 2,000 miles at 50 mph. The tires (tyres?) can carry loads of up to 2,000
lbs, making them suitable for SUV-class vehicles.
Technical details here.