Effects of microbiological contamination in the quality of biodiesel fuels by Dodos G.S., Konstantakos T., Loginos S. and Zannikos F.
Anaerobic treatment of sewage sludge and grease trap sludge in continuous co-digestion by Neczaj E., Bien J., Grosser A., Worwag G. and Kacprzak M.
Environmental assessment of low speed policies for motor vehicles mobility in city centers by Casanova J. and Fonseca N.
Increase of biogas production through co-digestion of lipids and sewage sludge by Noutsopoulos C., Mamais D., Antoniou K. and Avramides C.