Sequel to the global decline in supply and rise in fossil fuel prices, such imminent irresistible impacts of combustion of fossil fuel as global warming and change in climatic conditions to mention but few, a progressive shift and change in the way of harnessing energy is imminent in both developed, developing and under developed countries. Of this is the shift to eco-friendly ways that satisfy carbon neutral policy.Bioethanol as fuel substitute for mobile cars and engines that work on petroleum is one of those eco-friendly energy sources that holds promise for the future. This books is an engaging rich enchiridion and a guide to a successive production covering both production processes, economics, technologies, refining and prospects of bioethanol as a petroleum fuel substitute.Salim Abubakar's book attests to his commitment to the dissemination of information toward the growth and benefit of the scientific community in the same discipline.