Could hydrogen substitute oil and gas?

Since the start of the war in Ukraine, European countries have faced the need to replace Russian energy as fast as possible. Europe needs to diversify and decarbonise its energy sources faster than initially planned. To achieve that goal, some countries believe the continent must ramp up the use of hydrogen. Hydrogen can store vast amounts of energy, replacing natural gas in industrial processes like producing steel, aside from powering fuel cells in trucks, trains, ships, or planes, emitting nothing but vapour of drinkable water. Nevertheless, it is not clear if the large-scale use of hydrogen can be made viable.

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