1. Anunputtikul, W. and Rodtong, S. Laboratory scale experiments for biogas production from cassava tubers. The Joint International Conference on “Sustainable Energy and Environment (SEE),”. December1–3, Hua Hin, Thailand.
2. A renewable perspective for sustainable energy development in Turkey: The case of small hydropower plants
3. Bauer, A., Hrbek, R., Amon, B., Kryvoruchko, V., Machmüller, A., Hopfner-Sixt, K., Bodiroza, V., Wagentristl, H., Pötsch, E., Zollitsch, W. and Amon, T. Potential of biogas production in sustainable biorefinery concepts. 5th Research and Development Conference of Central- and Eastern European Institutes of Agricultural Engineering. June20–24, Kiev, Ukraine.
4. Development of biogas reforming Ni-La-Al catalysts for fuel cells
5. Buekens, A. Energy Recovery from Residual Waste by Means of Anaerobic Digestion Technologies. Conference “The Future of Residual Waste Management in Europe,”. November17–18, Luxemburg.