Dr Eng. Andrzej Stępniewski graduated from Lublin University of Technology in 1985 and was awarded Engineer degree in mechanics. Since 1986 he has been working at the Institute of Agrophysics of the Polish Academy of Sciences in Lublin, Poland. In 1997 he was awarded PhD in agronomy, agrophysics. His main scientific interest concentrated on mechanical properties of plant material in the aspect of technological processes. Recently his scientific interest includes the properties of rapeseed and rapeseed oil used as biofuel. He participated in a number of scholarships: at Hohenheim University in 1991 (DAAD); at North Carolina State University in 2000 and at Instituto Agronomico do Parana 2002. He is a member of the International Society of Food Physicists, Polish Society of Agrophysics, Scientific Committee of Agrophysics of the PAS, and Polish Society of Agriculture Engineers. Since 1999 Dr. A. Stępniewski has been working as regional expert of the European Framework Programmes and holds the position of the Director of Regional Contact Point of Research Programmes of European Union.