Whilst there is an advancing tendency toward lighter vehicles, the application of aluminum extrusion to the production of automotive parts has been quite rare due to cost, strength and corrosion problems. In this report, it is explained how new materials, product design and processing have been developed to match the automotive parts to which is aimed the adoption of the aluminum extrusion technique. Also activity to solve the problems in applying this technique, and the endeavor to widen the application of aluminum extrusion are reported.