Andrea Rossi is not the only one that delivers extraordinary claims that conflicts with common knowledge of nuclear physics these days.
PESN:"Ukranian inventor, Professor Bolotov, has developed a cold fusion reactor based on the transmutation of Zirconium to other elements. He claims a system could have an input of 5 kW and an output of 200 kW. This is from a system that only costs 10,000 euro to build. It was demonstrated for academic review on March 25"
It was first mentioned (as far as I am aware of) in November 2010 HERE (polish)
PESN covers the story HERE and New Energy and Fuel HERE