A similar product called WhisperGen was around a number of years ago: http://www.whispergen-europe.com/productspec_en.php?fm=whispergen&fp=Product%20Specs http:

A similar product called WhisperGen was around a number of years ago: http://www.whispergen-europe.com/productspec_en.php?fm=whispergen&fp=Product%20Specs http://www.whispergen-europe.com/productspec_en.php?fm=whisp... Stirling Engine combined heat and power appliance the size of a dishwasher. About 10,000 Euros for 1KW of electricity output. I don't think it made it in the marketplace.