Japan and Shell giving this a push again, good for them!
Japan on hydrogen in general http://undiscovered-japan.ft.com/articles/driving-a-revolution/
and more from before:
Along with Lithium and other scarce resources on earth that impact on the environment and ecology ie fossil fuel, we need the competition to continue!!
PS. Elon Musk first position SpaceX to mine helium from the moon to assist with nuclear fusion and hydrogen powered futures!