Grey versus green versus blue hydrogen

Canada has the perfect ingredients for building a strong hydrogen value chain, from minerals extraction to low-carbon hydrogen production, distribution, and utilization.

There is a great need for more investment at the federal provincial, and industrial levels for constructing a clean hydrogen infrastructure in Canada, writes Dr. Bruno PolletPhotograph courtesy of Pixabay

Opinion

BY Bruno Pollet

March 7, 2022

Some of you might have come across various colours of hydrogen: grey, blue, green, white, purple etc., but let’s not focus on these for the moment, but rather on “grey hydrogen,” “green hydrogen” and “blue hydrogen.” “Grey hydrogen” (95 per cent of the global hydrogen production) ...

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