Global demand of energy is ever increasing and its resources due to extensive exploitation arc fastly diminishing. The days of inexpensive fossil energy are clearly numbered, the credibility of nuclear energy has fallen to new low, and fusion energy stands decades of more for practical realization. It is therefore imperative to turn to renewable raw materials for energy. At present there is worldwide interest in the process of converting photo synthetically derived substances into food. Chemicals and fuels. The imminent storage of fossil fuel has intensified the research for bioconversion of...