The Twenty Sixth Annual Research Review describes the ongoing research programme in the School of Biosystems and Food Engineering at University College Dublin over the academic year 2020/21, from the collective research body within the school comprising our academic staff, technical staff, research staff and our early stage researchers totalling over 130 researchers (15 academic staff, 1 technician, 15 postdoctoral researchers and over 100 post-graduates). A copy of this book is available to download from the UCD Research Repository at: http:// researchrepository.ucd.ie. The research programme covers two main focal areas: Food and Process Engineering as well as Energy and the Environment. Each of these areas is divided into sub-themes as in...