alt Hacker NewsLife expectancy. A hydrogen tank can be refilled forever. A battery is normally limited to a few thousand cycles. A truck, or airplane, is expected to be fueled/recharged daily for decades. A car is designed to survive the length of a standard lease. Those running fleets of trucks/aircraft will always care more than car owners about long-term ownership costs.
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vel0city • today at 1:16 PM
This isn't necessarily true. Most cylinders storing compressed gasses need to be hydrostatically tested in regular intervals to ensure continued safety and will need replacement when they fail. Other kinds of composite cylinders have fixed ages where they should be replaced.
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There is something called hydrogen embrittlement. Where hydrogen causes cracks in metal. https://en.wikipedia.org/wiki/Hydrogen_embrittlement