What percent reduction inprimary energy has resulted from

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Aluminum cans in the 1970's were considerably heavier than they arenow. For a 0.355-L (12 oz) aluminum can, with mass 0.0205 kg, andusing a 25 percent recycling rate, find the primary energy requiredto produce the aluminum in one such can. What percent reduction inprimary energy has resulted from the lightweighting of cans ?

Reference no: EM13531110

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