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Hydrogen fuel ( Jcb 👍🏻)
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<blockquote data-quote="sjt01" data-source="post: 7657226" data-attributes="member: 30726"><p>For someone with a big engine building business, using hydrogen for internal combustion makes sense. For the rest of us, less so.</p><p>There was no mention of the energy cost of making hydrogen, compressing it, transporting it, they did mention having to compress it further to put it into the fuel tanks, then expand it again without energy recovery before burning it.</p><p>If you are going to burn stuff in an engine, much better to use methane made in an AD plant from WASTE - manures, food waste and the like.</p><p>Hydrogen, being the smallest molecule, is very difficult to keep confined. Tanks are extremely high pressure, and very heavy and expensive for the amount of fuel they contain.</p><p>Hydrogen can have a role in energy storage, but it will be a fairly modest role.</p><p>Lord B talks about battery prices not coming down - they have dropped 10 fold in the last 12 or so years, and are still dropping. He does not understand what rare earth elements are, classing Lithium as one whereas Rare earth elements are a defined area of the periodic table, and lithium is a metal, and a relatively common one at that.</p></blockquote><p></p>
[QUOTE="sjt01, post: 7657226, member: 30726"] For someone with a big engine building business, using hydrogen for internal combustion makes sense. For the rest of us, less so. There was no mention of the energy cost of making hydrogen, compressing it, transporting it, they did mention having to compress it further to put it into the fuel tanks, then expand it again without energy recovery before burning it. If you are going to burn stuff in an engine, much better to use methane made in an AD plant from WASTE - manures, food waste and the like. Hydrogen, being the smallest molecule, is very difficult to keep confined. Tanks are extremely high pressure, and very heavy and expensive for the amount of fuel they contain. Hydrogen can have a role in energy storage, but it will be a fairly modest role. Lord B talks about battery prices not coming down - they have dropped 10 fold in the last 12 or so years, and are still dropping. He does not understand what rare earth elements are, classing Lithium as one whereas Rare earth elements are a defined area of the periodic table, and lithium is a metal, and a relatively common one at that. [/QUOTE]
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Hydrogen fuel ( Jcb 👍🏻)
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