After all the peaks and troughs of interest in hydrogen as a potential climate solution over recent decades, the 2020s have delivered a sharper focus on the energy carrier’s potential.
With a growing number of national strategies, billions-of-dollars’ worth of subsidies are now being thrown at boosting production, and increasingly stringent carbon policies are encouraging hydrogen’s uptake.
And while much of that energy, momentum and money has gone into green hydrogen, to the delight of some and the dismay of others, blue hydrogen’s role continues to endure as economies attempt to drive towards a green-tinted future.
But blue hydrogen remains contentious. Proponents say it significantly reduces carbon emissions compared with unabated production, while critics argue it extends the life of oil and gas systems. But one way or another it is a production pathway that is now getting serious attention.
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