There is a growing concern about the fast depleting energy sources. The most important of the concern is U.S.A's dependence on other countries for oil. What is the answer to these growing concern, is it alternative sources of energy? The requirement for an alternative source was recognized and what followed was the 'Ethanol Boom' with so much of promises, but alas it was not to last long. It is realised that 'Ethanol' is not cost effective (of course I am not talk...