Granholm Visits UVA (IMAGE) University of Virginia Caption Charles Machan, an associate professor of chemistry, tells Secretary of Energy Jennifer Granholm and Asmeret Asefaw Berhe, the Energy Department’s director of the Office of Science, about the molecular portion of the research. Credit Photo by Dan Addison, UVA Communications Usage Restrictions Images must be used with credit License Original content 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.