Question by bonshui: What would happen to the water cycle if hydrogen-powered vehicles became ‘normal’?
Hydrogen powered vehicles might be fuelled by hydrogen derived from water (H20). The remaining oxygen would be a clean’ exhaust fume.
However, there is only a finite amount of water in the world – it is never created or lost, but exists in varying amounts of liquid, vapour and ice. If we started fuelling our vehicles with water, what would happen in the long term?
Answer by Robert D
Nothing. The amount of water that all the gas tanks in the world could hold is minute compared to the amount of water in the world.
Oh, and as much water is produced as is consumed in such a system.
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