Thomas F. McGowan is President and founder of TMTS Associates Inc., a firm that specializes in thermal systems and air pollution control. He has thirty-five years of experience in combustion, air pollution control, solids handling, and industrial ventilation.Michael L. Brown is a Senior Engineer at the Georgia Institute of Technology's Enterprise Innovation Institute in the Energy and Sustainability Services Division. His work includes energy efficiency and conservation, energy management projects, and alternate energy projects including studies on production of densified wood pellets.William S. Bulpitt is a Senior Research Engineer for the Georgia Institute of Technology's Strategic Energy Institute. His current work includes research in renewable and transitional energy with utilities and industry.James L. Walsh, Jr. is a Senior Engineer at the Georgia Institute of Technology. With more than forty years of professional experience in design engineering, applied research, technical assistance, and training, he specializes in energy conversion, waste conversion, environmental compliance assistance, and the design, operation, and analysis of pollution control systems.