It appears that the fuel cells are less polluting to operate than using normal electricity by nuclear or fossil fuel, but the manafacture and disposal of the devices seems that it might create an issue, like alkaline metals and mercury in batteries. The pollution might be temporarily ignored if the cells possess even marginal longevity, but I don't think that it is a good thing to have one more disposable electrical source. Even if the cells were environmentally friendly chemically, we don't need a new form of litter. I am all for this new power source if it does not contain harmful substances and is at least recyclable or reusable. Otherwise, we are just as well off without them.
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