Though its use has increased fourfold in the last decade, aluminum is still far from its peak of usefulness. To push it toward the peak, Aluminum Co. of America, which produces nearly half of all U.S.

Aluminium is derived from the mineral bauxite. Bauxite is converted to aluminium oxide (alumina) via the Bayer Process. The alumina is then converted to aluminium metal using electrolytic cells and ...