‘Hydrogen’s moment is here at last’ proclaimed the Economist back in 2021. Today, the bubble has burst. A recent report by BNEF said green hydrogen would remain much more expensive than previously thought for decades to come. The €2 per kilogram Ursula von der Leyen touted in a 2021 speech seems far-fetched now. We’ve shown in 2020 and 2023 that hydrogen is no swiss-knife, miracle...