A new study released today shows that an all-aluminum vehicle can shed more than 40 percent body mass, boosting fuel economy by 18 percent when combined with secondary mass savings and other design changes. The study helps explain why car and truck makers are shifting away from steel to aluminum, and supports projections that aluminum-intensive vehicles will become more common in the marketplace with continued demand for more fuel efficient vehicles. The research, conducted by EDAG Group and commissioned by the Aluminum in Transportation Group of the U.S. Aluminum Association, was presented today at the Society of Automotive Engineers (SAE) World Congress during a panel discussion on advances in lower weight materials. It comes at a time when automotive aluminum use is at an all-time high, with automakers announcing plans to incorporate more of the metal into vehicle designs - doubling aluminum's 2008 share of the automotive metals mix by 2025. "Automakers are putting cars and trucks on a major diet to get better gas mileage, and are saying they're reaching the limits of using advanced steels to lose weight," said Randall Scheps, chairman of The Aluminum Association's Transportation Group (ATG) and automotive marketing director for Alcoa, Inc. "This study reinforces that aluminum is the material of choice to reduce body mass and boost fuel economy - which consumers list as their primary concern when buying a new car or truck - while providing the safety,performance and durability that consumers also demand."

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