**2.1 Need of alcohol to the IC engine**

Eugene Ecklund E., et.al, (1984), have given a detailed report on the concept of using alcohol fuels as alternative fuels to diesel fuel in diesel engine. They have also explained the different techniques for adding alcohol to the fossil fuels. In this case, blending of alcohol in the emulsion method has been clearly given and the merits and demerits of using alcohol as an alternate fuel are also explained. Their research has opened a whole new range of possibilities for using alcohols in transportation vehicles and has stated that the importance of this work will increase as the proportion of diesel-powered highway vehicles increases and as diesel fuel supply becomes more limited or degrades in quality.
