Quick-fix flat-tyre remedies on the market today do not hold much air, Goodyear engineers have claimed. Bill Egan, chief engineer of advanced original equipment technology, said that despite what their manufacturers said, tyre inflators and sealant tyres were not foolproof. While claiming to offer some security, they will never eliminate the spare tyre completely, he said, adding that special wheels and tyre inserts also had their downfalls.
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