Why we're betting billions on hydrogen

It's been hard to open a news app this week without running headlong into a story about hydrogen. But for an energy source that seems to be all the rage, it's still pretty hard to come by, which might explain the generalised confusion about what it is, and how it works. Today on The Signal, we explain why everyone seems to be throwing money at hydrogen and ask: is Australia entering a new boom? Featured: Dr Patrick Hartley, Leader, CSIRO Hydrogen Industry Mission

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