Nanofiber Adsorbent (image) University of Illinois at Urbana-Champaign Caption Nanofibers of metal oxide provide lots of highly reactive surface area for scrubbing sulfur compounds from fuel. Sulfur has to be removed because it emits toxic gasses and corrodes catalysts. Credit Prashant Jain Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.