Thom Mason, ORNL director, speaks at the Southeast Regional Energy Innovation Workshop in Chattanooga Monday, May 23, 2016. Published on May 23, 2016 in Industry Experts Gather to Discuss Clean Energy TechnologyFull resolution (700 × 453) ← Previous Thom Mason, ORNL director, speaks at the Southeast Regional Energy Innovation Workshop in Chattanooga Monday, May 23, 2016. (Billy Weeks/University of Tennessee)