Yes, recycled aluminum can be used to make cars and other vehicles. It is common practice in the automotive industry to use recycled aluminum in the manufacturing process due to its lightweight and strong properties. Recycled aluminum requires less energy to produce than new aluminum, making it more sustainable. It is used in various parts of vehicles, including engine components, body panels, and wheels. The use of recycled aluminum not only reduces waste but also contributes to energy savings and carbon emission reductions in vehicle production.