0, a cyber–physical approach that leverages Industry 4. 0 technologies—including smart sensing, analytics, and the Internet of Things (IoT)—to address these issues in hydrogen energy plants. Such an approach has the potential to enhance efficiency, safety, and. The IEA examines the full spectrum of energy issues including oil, gas and coal supply and demand, renewable energy technologies, electricity markets, energy efficiency, access to energy, demand side management and much more. Through its work, the IEA advocates policies that will enhance the. es (GHG) reduction objectives. And regardless of whether we are aiming to reach the 10 million tonnes (Mt) objective set by the 2020 European Union (EU) Hydrogen Strategy1, the 20 Mt of imported and domestically produced renewable hydrogen by 2030 targeted by REPowerEU, or the 3 Mt modelled in the. The Global Hydrogen Review is an annual publication by the International Energy Agency that tracks hydrogen production and demand worldwide, shedding light on the latest developments on policy, infrastructure, trade, investments and innovation. With the global shift toward defossilation, renewable hydrogen presents a compelling solution to reduce industrial.