Studies On Mileage Of Ethanol Blended Gasoline
Opinion remains divided whether ethanol blended with gasoline can give a vehicle good mileage or not. There are two schools of thoughts in this regard. One feels that vehicles using ethanol combined with gasoline as fuel, show good fuel efficiency. The other school feels that it is not so. In order to find out which is right, let us look at both the views. |
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There are drivers who swear by ethanol-cum-gasoline as the best fuel. They feel that this blend can help fuel economy. They agree that one has to search for a gas station selling this combo of fuel. But once you find the station, you will realize that it comes cheaper than the most expensive unleaded petrol. This fuel is lighter than unleaded gasoline. Hence, it does give less mileage than gas. However, in the long term you tend to save on money. Therefore, lesser mileage e becomes negligent when compared to the money you have saved on fuel. And using ethanol also enables you to draw tax credits.
Some drivers argue that ethanol with gasoline, or gasohol, as the product is called, does not increase fuel efficiency. Instead it reduces the efficiency by 1-2%. Also, ethanol isn’t environmental friendly. This fact can be proved if the amount of emissions released during the process of making and shipping ethanol is considered. Another fact is that ethanol is more expensive to produce than gasoline. Statistically one might be given the impression that ethanol gives better fuel efficiency. But this isn’t so. Gasohol is 97% as efficient as gasoline. A vehicle will give you 27mph while using pure gasoline and 26.2mph on gasoline blended with ethanol. You might save on a few cents by using gasohol. However, you lose out on mileage. By using this alternative form of fuel, dependence on foreign oil is greatly reduced. But the fuel in no way is superior over gasoline.
With both opinions taken into account, one sees that ethanol can prove to be a good alternative fuel. All that is required is suitable modifications in the vehicles that are currently designed to run on gas or diesel.
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Currently, ethanol is mixed with gasoline to be used as fuel for running vehicles. This blend of gas and ethanol is commonly called as ‘gasohol’. Experiments are being conducted to test the efficiency and durability of using 100% ethanol. However, one needs to keep in mind that if 100% ethanol is sold at gas stations, people would end up buying alcohol for self consumption! 
