This book examines the cultivation, food and nutrition uses and biodiesel application of sunflowers and sunflower oil. This book presents current research data from across the globe in the study of sunflowers, including the bioenergy utilisation of sunflower oil; sunflower responses to drought stress during early development; the applications of sunflower oil in food manufacturing; insect pest management of sunflowers; and the potential contribution of sunflower cultivation to social development, job creation, biofuel production and climate change adaptation in developing countries.