It’s a major challenge, but one with powerful supporting factors such as the magic of one number: 100%. Javier Brey —President of the Spanish Hydrogen Association and an expert on the use of this fuel to decarbonize sectors that cannot be easily electrified— explains the European plan to decarbonize the entire economy by 2050: “If we aspire to achieve 50%, you can hide behind that other 50%, arguing that your sector is more complicated, that it’s not the right time. With 100%, there are no excuses. You really have to move.” TAILWIND Factors in favor include responsibility and “the commitment of insti-tutions and companies, but also of citizens, and the awareness that we all need to work together to create a sustainable future. And this