Preface to Special Topic: Selected Papers from the Asia-Pacific Forum on Renewable Energy 2012, Jeju Island, Korea, 2012

Byeongho Hwang, Seungmin Lee, Soogab Lee, Optimization of a counter-rotating wind turbine using the blade element and momentum theory Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052013- ,(2013) , 10.1063/1.4826940

Kojo Atta Aikins, Jong Min Choi, Issues to improve ground source heat pump units in Korea: Refrigerant application and hot water generation Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052002- ,(2013) , 10.1063/1.4821509

Byeong-Hak Park, Hyoung-Soo Kim, Kang-Kun Lee, A verification study on saving energy cost and reducing CO2 emission with large-scale geothermal heat pump systems in Korea Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052009- ,(2013) , 10.1063/1.4824983

L. N. Komariah, S. Arita, Novia, S. S. Wirawan, M. Yazid, Emission factors of biodiesel combustion in industrial boiler: A comparison to fossil fuel Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052005- ,(2013) , 10.1063/1.4822036

Jang-Ho Lee, Jae-Hoon Kim, Chang-Woong Choi, Ki-Weon Kang, Simple approach to estimate residual flexural strength distribution of composite sandwich structure with impact-induced damage Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052010- ,(2013) , 10.1063/1.4824982

J. Chen, J. C. Jiang, X. A. Nie, J. M. Xu, X. Chang, K. Li, Diesel-like fuel production from catalytic cracking and esterification of waste oil Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052004- ,(2013) , 10.1063/1.4822035

Reda A. I. Abou-Shanab, Seong-Heon Kim, Min-Kyu Ji, Sang-Hun Lee, Hyun-Seog Roh, Byong-Hun Jeon, Municipal wastewater utilization for biomass and biodiesel production by Scenedesmus obliquus HM103382 and Micractinium reisseri JN169781 Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052006- ,(2013) , 10.1063/1.4821504

Jung Yup Yang, Young Kyoung Ahn, Pil Ho Huh, Jung Gyu Nam, Min Park, Min Gu Kim, Jun Young Lee, Yang Geun Ji, Dong Seop Kim, Research on decrease of cell to module loss for crystalline silicon photovoltaic module Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052003- ,(2013) , 10.1063/1.4821512

Kui Wang, Jianchun Jiang, Zhan Si, Xinyu Liang, Biodiesel production from waste cooking oil catalyzed by solid acid SO42−/TiO2/La3+ Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052001- ,(2013) , 10.1063/1.4820563

Feng-Zhu Tai, Teak-Han Yun, Ki-Weon Kang, Jang-Ho Lee, analysis of small vertical wind turbine having h-darrieus blades with stall delay model Journal of Renewable and Sustainable Energy. ,vol. 5, pp. 052011- ,(2013) , 10.1063/1.4826702