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July 2006

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who wants to extend the home station section with Home energy station ?. Mion 17:02, 29 July 2006 (UTC)[reply]

Extremely high pressure storage/transfer fittings?

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Isn't it true that hydrogen used in the gaseous state in an internal combustion engine requires very high pressure containment vessels, with the related specialty high pressure fittings (and incumbent dangers)?

Also, what is the deal with hydrogen disappearing--actually weeping through steel containment vessels in a relatively short time? Is this true?

Yes, see Hydrogen piping, the hydrogen tanks are protected on the inside with composite material.Mion 11:41, 18 September 2006 (UTC)[reply]

It seems that the high-pressure handling obstacles for ICE will move this area all toward fuel cells.

Can I point out that recreational vehicles use LP gas and farm tractors/trucks have used LP for over fifty years. I bring this up because it is a limited example of high pressure gaseous fuel transfer. Its use remains limited. And, I believe that LP is used at pressures far below what would be needed for hydrogen. My point is that handling this stuff is a very technical, dangerous matter--I'd say we are NEVER going to make it to "self-serve" on this stuff. Even if the energy density was there, the transfer danger is a real deal. All this, and the flames are invisible, too! Homebuilding 03:43, 18 September 2006 (UTC)[reply]

In safety the key was early detection of leaks, that problem is solved, see Hydrogen microsensor. Mion 12:13, 18 September 2006 (UTC)[reply]

Upcoming or not

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Cost of hydrogen

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Does anyone know what the cost per unit of hydrogen is in California? 72.67.35.214 (talk) 15:38, 16 June 2008 (UTC)[reply]

Unit of hydrogen

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This page does not indicate that the selling unit of hydrogen is the kilogram. Could Mion please include this information in some manner which won't be reverted?75.44.32.140 (talk) 21:26, 26 September 2008 (UTC)[reply]

I don't know if someone changes it, feel free to do it yourself. Mion (talk) 00:39, 28 September 2008 (UTC)[reply]

liquid or gas?

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Hydrogen Station in Berlin, Germany

I've a question regarding hydrogen stations, is the hydrogen injected to vehicles in its liquid form or as hydrogen gas? (or both?) I know that that liquid hydrogen needs to be in cryogenic conditions so I was wondering if the tank shown in the picture is storing it as a liquid or just as compressed gas? what's the most common form of storage in these stations? thanks. Supaman89 (talk) 22:46, 13 August 2009 (UTC)[reply]

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Merge with Hydrogen infrastructure

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