• The Clean Hydrogen Ladder [Now updated to V4.1] | LinkedIn, by Michael Liebreich

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• Liebreich: Separating Hype from Hydrogen – Part One: The Supply Side | BloombergNEF (bnef.com)

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• Liebreich: Separating Hype from Hydrogen – Part Two: The Demand Side | BloombergNEF (bnef.com)

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• ExxonMobil awards FEED for world's largest low-carbon hydrogen facility