This report outlines significant concerns with respect to material availability and lists major sources for additional information. It concentrates on elemental types of materials such as zinc, magnesium, antimony, and includes petroleum and natural rubber. By SAE definition, and for the purposes of this report, the term “automotive” includes any and all vehicles which are self-propelled. However, this initial document concentrates on materials employed in ground vehicles, encompassing passenger cars, trucks, off-road equipment,and recreational vehicles. It is intended that later documents will cover materials used in aircraft and other vehicles not normally traveling on the ground.