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Subject. The article investigates the development of hydrogen production technologies and use of renewable energy sources. Objectives. The focus is on assessing prospects for hydrogen energy development in the USA, Russia, China, and Germany. Methods. The study employed methods of comparative analysis. Results. We established that the development of hydrogen energy promotes carbon neutrality and the shaping of energy structure of the future. Conclusions. The cost of hydrogen production remains the main problem that hinders the widespread use of hydrogen energy.
Reshetnikova et al. (Thu,) studied this question.