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The world’s largest hydrogen vehicle is a 290-ton mining truck as tall as a three-story building, and it was meant to wipe diesel out of an entire industry. Four years on it still holds the title, because almost everything else around it collapsed
A 160-ton steel cylinder as tall as a 14-story building is floating off the coast of Bilbao, and inside it a column of seawater rises and falls like a giant piston, pushing air through a turbine to power the Spanish grid
A U.S. Navy underwater drone just spent a week patrolling the Baltic seabed where the cables keep getting severed, mapping more than a dozen miles per charge and flagging anything that moved since yesterday
Rivian’s own CEO says the threat to its make-or-break R2 isn’t price or sales, it’s service: owners have waited up to 50 days for an appointment, and one says he’s been stuck over a year waiting for a key fob