There is no such thing as a “good” biofuel deriving from a crop cultivated for energy. According to Vandana Shiva, a physicist and founder of the Navdanya (nine crops) Movement, all biofuels that take land from the food production or, even worse, that derive from grains or other crops intended for human consumption, must be condemned because they reintroduce a model based on subsidies, energy waste and an evil agro-industrial logic. The Indian scientist explains that this must not be confused with local reusing and recycling of agricultural by-products to produce energy and from which biofuel cannot be obtained. She tells Renewable Matter that “on the contrary, these practices are extremely useful and necessary and they must be promoted and spread if we want people...