UDC 662.769.2:620.9

Titu-Marius I. Băjenescu

Abstract. The article examines the problem of the hydrogen market – from production to how to use it, as well as the prospects for the development of these energy sources. To combat climate change, more and more countries are investing in low-carbon energy, which is produced from renewable sources and is therefore neutral throughout the chain. Thus, the global hydrogen market is growing. Hydrogen can help decarbonise industrial sectors and combat climate change, either as an environmentally friendly fuel in the transport sector or as a means of reducing emissions in steel production and many other industries. Hydrogen can also play a vital role in energy transport. But even though hydrogen does not pollute itself, because its combustion releases only water vapour, it emits CO2 when fossil fuels are used for its production (“Grey” hydrogen). “Green” hydrogen is still in its infancy: less than 1% of global hydrogen production, which is itself only 2% of global energy consumption. “Green” hydrogen is very expensive to produce, considerably more than “Grey” hydrogen.

Keywords: Hydrogen energy, ”Green hydrogen”, “Grey” hydrogen, present challenge, Hydrogen economy, CO2-free hydrogen, Use of hydrogen.

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