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VIDEO: Michelin introduces 'evolving tread' tire

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DETROIT — In this video, Scott Clark, COO of Michelin North America Inc.'s passenger and light truck tire division, introduced the tire maker's Michelin Premier A/S tire with EverGrip technology at the 2014 North American International Auto Show in Detroit.

The EverGrip technology makes the tire both "safe when new" and "safe when worn," said Mr. Clark.

"Even when half worn, it still stops shorter on wet roads than our leading competitor's brand new tires," he added.

The EverGrip technology consists of three components, Mr. Clark said, a high traction rubber compound, expanding rain grooves and emerging grooves in the tread.

He said a layer of 150 grooves is hidden along the tire's shoulders that cannot be seen when the tire is new, but begin to appear as the tire tread is worn and assist the expanding rain grooves to "evacuate water and help the Michelin Premier maintain its grip on the road."