nostr:npub1hd5nen9dtx00pdf9y4ucm72kpu4lann4kat3gcvwq8zndpt4ln7sdq7c7k nostr:npub1jpmmu3zwejrwv5dy6406lyy9dekxawfksvtmhxs0hgs55uhc64ts7hmc52 Hydrogen is useless as a fuel except in a couple of very narrow niches, one of which is high performance rocketry. It's a horrible cryogen, diffuses through metal, has much lower energy density per litre than methane, etc.