How It's Made: Aluminum Cars

Aluminum has become a wonder-material for some carmakers. And why not? An aluminum-bodied car has the potential to improve fuel economy, crashworthiness, and handling. On the downside, it's expensive, difficult to weld, and its dings and dents aren't as easily hammered out by your local body shop. And yet, there are carmakers who see it as the next step forward.

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