Magnesium’s advantages – strength, versatility, and extreme light weight – put it in a league above the most commonly used metals on the market. But will it ever become the next steel or aluminum? Its heyday may be closer than you think. ’04 Cadillac XLR folding hardtop features major magnesium components. The material’s relatively high cost, as well as duties on imported magnesium from China and Russia – two of the largest producers – have kept auto makers from exploiting ...

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