1. Graduate School of Environmental Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-Gu, Seoul 02504, Republic of Korea
2. Department of Smart Cities, University of Seoul, 163 Siripdae-ro, Dongdaemun-Gu, Seoul 02504, Republic of Korea
3. Clean Fuel Research Laboratory, Korea Institute of Energy Research (KIER), 152 Gajeong-ro, Yuseong-gu, Daejeon 34129, South Korea