Taking The Guesswork Out Of Recyclable Designs

There probably never will be an automobile that's 100% recyclable, because dismantling it and reusing every tiny part would cost more than building a car from scratch. But a new program called ReStar helps design products for the most recyclability at the lowest cost. ReStar was written by D. Navin-Chandra, director of Carnegie Mellon University's Concurrent Engineering Laboratory. It tells, for example, when it makes sense to attach pieces with screws instead of with spot welds so they can be easily taken apart and reused, or when to spend extra to use a metal such as aluminum that is highly recyclable.

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