e-catworld has this update.
UPDATE: Rossi reports that one of the testers told him: ” ” What we have seen is too important, must absolutely be published”. Also, in reference to the new design of the hot cat, he states: “Basically, we have no more a reactor or a cluster of reactors, but each reactor is coupled with an activator: let’s make this model: the activator is the Mouse, which makes the Cat run. The Mouse has his own COP which is more than 1, the Cat is a surprise.”

I speculate the CAT is heated by the "activator" and so possibly doesn't require further heat input.

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