Automakers are racing to cut the cost of lightweight materials that help boost fuel efficiency. In this week's SAE Eye on Engineering, Senior Editor Lindsay Brooke looks at the U.S. and German automakers' push for low-cost carbon fiber. SAE Eye on Engineering can be viewed at http://youtu.be/FvYl3QCeJn8. It also airs 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.