Professor Zoran Ristovski is co-director of the Biofuel Engine Research Facility (BERF) and a founding senior member of the International Laboratory for Air Quality and Health (ILAQH). Zoran has 20 years of experience in the area of environmental sciences focusing mainly on air pollution studies and has conducted a large number of government and industry-related vehicle emissions projects. His recent area of interest is in the characterisation of emissions from internal combustion engines running on various alternative fuels.