Don't waste your time, effort and money.
In 1494 Leonardo da Vinci summed it up well when he said...
Oh ye seekers after perpetual motion, how many vain chimeras have you pursued? Go and take your place with the alchemists.
Having said that, it has been established that in quantum physics the very small do not always obey the laws of phisycs as we know them. Therefore it would not be unreasonable to assume that some things may not always obey the first and second laws of thermodynamics as we know them.
One day there will be some kind of breakthrough but it is not going to be any time soon.
Tweakie.