DETROIT — Michelin SA displays at the Society of Automotive Engineers (SAE) World Congress here an elegant and simple improvement on typical independent rear suspension (IRS) designs. Michelin engineers say the new suspension design allows the tires to maintain more contact patch on the road during cornering and while absorbing bumps. Michelin's term for the new suspension isn't exactly simple, though; the company calls it the “new axle system with optimized contact patch.” The advance ...

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