Hydrogen Economy and Policies Across the Globe for Environmental Sustainability: A Review
J. Environ. Nanotechnol., Volume 14, No 2 (June 2025) pp. 9-18
Abstract
Advancements in technology, rising population and extensive use of fossil fuels increase environmental pollution, which suggests a shift towards a sustainable form of energy. Hydrogen being present in abundance in the atmosphere makes it one of the best choices to be considered as an alternative fuel. Presently, it is being used in the manufacture of ammonia and in other chemical industries. However, it can also serve as a fuel. Hydrogen economy refers to the phase from hydrogen production to its end/commercial use, comprising three stages i.e., production phase, storage and transportation phase, and commercial or end use. Many countries are aiming towards these sustainable shifts by considering some policies and have already started their work decades back towards hydrogen economy. India is also targeting to become a carbon-neutral nation, to become a green hydrogen hub. In this review paper, the hydrogen economy and policies adopted by different countries are presented and discussed.
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