Most of the recent technological innovations applied to the mechanical oil extraction process are aimed at improving virgin olive oil quality and yield. Olive oil is a fat obtained from the fruit of the Olea europaea (olive tree), a traditional tree crop of the Mediterranean region. Whole olives are pressed to produce this distinctive oil. This book is aimed at for those involved in the industrial production as well as in the marketing and use of extra virgin olive oil that are looking for practical information. The oil is used in cosmetics, medicine, cooking, and soaps, and was also used as a fuel for traditional lamps.