The quest to make new vehicles lighter involves much more than just using aluminum and plastics. In this episode of SAE Eye on Engineering, Senior Editor Lindsay Brooke looks at "ultra-high-strength" steels, the new materials that are lighter and vastly stronger than automotive steels of the past. SAE Eye on Engineering can be viewed at https://youtu.be/H3GVoNKralQ. It also airs in audio-only form Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering at www.sae.org/magazines/podcasts.