Hydrogen has experienced a number of ‘false downs’ in the 1970s, 1990s and early 2000s which subsequently faded. This time, however, there is reason to think hydrogen will play a substantial role in the global energy system.
The most important factor driving this renewed focus is the ability of hydrogen to support deep carbon abatement by assisting those sectors where abatement with non-carbon electricity has so far proven difficult.
Hydrogen can also address poor urban air quality, energy security, and provides a good means of shifting energy supply between regions and between seasons.
In response to these changed conditions, many countries, states and even cities have developed hydrogen strategies while various interest groups have developed industry roadmaps which fulfil a similar role.
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