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Toyota builds experimental hydrogen-powered pizza oven and grill.
(www.autoblog.com)
This is a most excellent place for technology news and articles.
I think Japan is pushing it, because they import most of their kJ. They don't like nuclear for obvious reasons and there's a few reasons they probably don't like renewable projects like a lack of land and being a natural disaster prone country. So they are left with importing energy and hopefully value adding to it enough that it's worth while