Here were my thoughts on it.
http://hhoforums.com/showthread.php?t=5892
I am sure its not that difficult, just probably expensive if you start buying platinum. I think they just found the right combinations of elements.
Also the area 51 guy, Bob Lazar has formed a company to sell H technology to power cars or whatever. Says the actual unit is about as big as a dishwasher and runs off solar panels or a wind turbine. It has a metal hydride storage tank.
They are working on a universal bolt in conversion system for cars.
The H is stored in a granular metal hydride. You plug your car into the unit, it extracts the H from the metal hydride in the unit or storage tank and into the car hydride tank.
A hydrogen storage tank with metal hydride is much more compact and safe than compressed H tanks.
Capacity decreases over time with metal hydrides, but their system supposedly a high charge/discharge cycles, something like 7 years they lost 12% in capacity.
Supposedly the govt is on his back. Not supprisong.
Sounds interesting anyway.