TRC Inc. staff members, Jeff Sprague, Brad Bean, John Phillips, and Kelli Simon attended the 15^th Directions in Engine-Efficiency and Emissions Research (DEER) Conference in Dearborn, Michigan.  The conference is organized through the Vehicle Technologies Program within the United States Department of Energy, to promote and present research results on high efficiency clean engine technologies.  Topics such as:  cleaner fuels, biofuels, high-performance lubricants, vehicular application of thermoelectrics, and engine system optimization were on the agenda for the technical programs.