Ocktaeck Lim received his B.S. and M.S. degrees in Mechanical Engineering from Chonnam National University, Korea, in 1998 and 2002, respectively. He then received his Ph.D. degree from Keio University in 2006. He is currently a professor at the School of Automotive and Mechanical Engineering, University of Ulsan, Korea. Prof. Lim’s research interests include internal combustion engines, alternative fuel, electric vehicles, and thermodynamics.