Energy is the gold of the modern era and free energy unfortunately is as fake as the philosopher's stone.
Although you are probably correct about most of these,
cold fusion works and is NOT perpetual motion or "free energy".
The energy comes from the collapse of an excited helium nucleus.
A recent Navy report rconfirms cold fusion. UK magazines covered this,
such as the Times on 6/2/02. It was not covered in the US.
One report is is here.