There's a revolution going on within the bones of new cars and trucks—new body structures that are much lighter and stronger for better fuel economy, safety, and handling. In this episode of SAE Eye on Engineering, Senior Editor Lindsay Brooke looks at the heroes of the revolution: aluminum die castings. SAE Eye on Engineering can be viewed at https://youtu.be/8noRIHS0wmY. 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.