The fuel cell which runs electric vehicles and creates water for exhaust needs the holy grail fuel of pure hydrogen.

This is the biggest stumbling block for the fuel cell to replace every internal combustion engine on Earth.

I believe I have solved this problem. The beauty of the solution is that the answer is relatively musical.

I have discovered that the answer is as simple as a tuning fork.
There is a sound frequency that seperates water into H and O. The frequency is something like 300,000 Hz.
A battery plus stored downhill gravity energy to charge the battery, vibrates the tuning fork and voila you use the water from exhaust to feed the tuning fork chamber. The chamber never turns off and the stored H is not under high pressure. At the "pump" your generated H can be condensed into your high pressure tank.

There you have it world, I Don Hakman have solved your energy problems...or not.

One thing for sure...

Days when I find that I am particularly inventive are usually followed by several days of migraine.