John Mendel, left, senior vice president American Honda Motor Co, Inc., and Dave Marek, chief designer Honda R&D Americas, show off the new Acura Advanced Sedan Concept during its world debut, Wednesday, Nov. 29, 2006 during the L.A. Auto Show. Created by Acura's Los Angeles-based advanced design team, the concept features a modern, powerful exterior. (Photo/Acura, Susan Goldman, handout)