Learn how ultra-lightweight materials are playing an increasingly crucial role in automobile design as manufacturers try to design more efficient vehicles. Jon Fox-Rubin, the president and C.E.O. of Fiberforge, demonstrates his company's production process for lightweight carbon fiber composites that will be used by the automotive industry.

"e²: the economies of being environmentally conscious" is an ongoing PBS documentary series about solutions to the world's most pervasive environmental challenges. The 2007 season opens with "e² energy", examining policy, consumption and viable alternatives to fossil fuel culture. Check your local PBS listings for television broadcast dates in your area.

The "e²" series and its video podcasts are produced by kontentreal, and distributed within the United States by PBS. More information is available at pbs.org/e2/ and e2-series.com/