Aha...in the base article:
newenergytimes.com/v2/news/2011/36/3623rf-celani.shtml
...the "Input Energy" does not include the hydrogen (incredibly).
A gasoline motor works similar miracles.
If you do not count the gasoline as part of the input enegry,
it spectacularly multiplies the energy of the alternator.
Technical illiteracy is frightening sometimes.