Quote:
Originally Posted by photon
Hydrogen isn't an energy source though, it's an energy transportation mechanism. It's a battery.
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I'm not quite sure what you mean. You can use hydrogen in combustion devices, such as furnaces, boilers, recip engines, gas turbines, etc. They are not just for fuel cells. There are obviously more caution required in handling hydrogen but you can burn it like a fossil fuel. For home heating, you would probably want to generate the hydrogen on-site rather than store compressed hydrogen due to fire/explosion risks but it's all possible.
Don't get me wrong, I don't think hydrogen is the solution to all our problems but I think it's another tool in the tool belt.