The auto industry's crusade to reduce vehicle weight is creating clever new manufacturing techniques. In this episode of SAE Eye on Engineering, Editor-In-Chief Lindsay Brooke looks at GM's new process which enables steel and aluminum to be welded together. SAE Eye on Engineering also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering: http://www.sae.org/magazines/podcasts