Despite falling sales, auto makers are the aluminum industryâ€™s fastest growing customer segment. New applications designed to reduce weight, such as the roof on BMW AGâ€™s â€™09 7-Series, is a big reason for the massive switch to the lighter-weight metal in vehicles. According to the Aluminum Assn., the industryâ€™s trade group, BMWâ€™s â€™09 models use an average of 421 lbs. (191 kg) of aluminum per vehicle, leading the industry in use of the lightweight metal. The Aluminum Assn. designates ...
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