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It’s been hailed as fuel of the future. Hydrogen is clean, flexible and energy efficient. But in practice there are huge hurdles to overcome before widespread adoption can be achieved. 00:00 How hydrogen fuel is generated. 02:04 How hydrogen fuel could be used. 02:46 Why hydrogen fuel hasn't taken off in the past. 03:40 Is hydrogen fuel safe? 04:31 Hydrogen's advantage over batteries. 05:00 How sustainable is hydrogen fuel? 06:13 Why the hype about hydrogen may be different this time. Find The Economist’s most recent coverage on climate change: Sign up to The Economist’s daily newsletter to keep up to date with our latest stories: What’s the cheapest way to decarbonise?: Lorries to help deliver the hydrogen economy: The IPCC delivers its starkest warning yet: How do climate targets fare against a common baseline? h
