I found this, it might help someone. I'm going to sleep on it,
but I don't think will become any clearer.
“What exactly is causing the energy to be produced in the LENR reaction
according to the Widom-Larsen theory? Is it energy produced due to the
transmutation of elements, or something else entirely?”
http://blog.newenergytimes.com/2012/01/12/where-does-the-energy-come-from-in-lenr/
Mikek