This is complimented by Thornton's (2006) concise detraction of ethanol, this article serves as reinforcement for the recurring case that the process of yielding energy from ethanol is too consuming of time and energy, and thus, should be disregarded as a means to developing an alternative fuel source.
Findings
The certainty that the world community must attend with urgency to a transition to a clean-burning and effective alternative fuel source dominates discourse today on oil production and energy efficiency. And there is a dominance in this discussion, as well as in current implementation, of the endorsement of biofuels. A clear-burning energy source derived from the fermentation of sugars found in various plant-cellulous, for some time this has been sought as a possible alternative fuel to help aid in our extrication from oil dependency. Accordingly, "the idea is that it can be added to petrol where it both acts as fuel itself, and makes the petrol burn more efficiently and cleanly. Since it is not derived from fossil fuel it should reduce greenhouse gas emissions and help reduce American dependence on Middle Eastern oil." (Thornton, 1) in this regard, there are considerable positive benefits to the environment, at least when spoken of in comparison to the harmful emissions caused by the burning of fossil fuels. The prospect of an automotive industry powered on biofuel, on the surface, would have appeared as a promising opportunity if properly pursued.
To the case of its advocacy, "biofuel champions assure us that because fuel crops are renewable, they are environment-friendly, can reduce global warming and will foster rural development. But the tremendous market power of biofuel corporations, coupled with the poor political will of governments to regulate their activities, make this unlikely." (Holt-Gimenez, 2) Such is to say that the vast array of drawbacks to biofuel, relating to shortcomings in the production process and extending to the levying of severe political and economic exploitation on impacted populations suggest that, in fact, this is not an appropriate step forward in altering the global energy strategy.
In spite of the perception that there are likely to be a number of distinct benefits to the environment from the burning of biofuel, as opposed to gasoline, there is also a commonly voiced concern that this alternative is far too inefficient in the yielding process to yet be considered a suitable replacement. Accordingly, "biofuels are derived from plant matter, such as corn, grass, trees or other biomass. Current methods to produce ethanol, a biofuel, involve a multi-step process to extract the sugars in the plant matter and convert them to alcohol over five to 10 days." (Freeman, 1) This conversion process itself consumes a significant degree of energy and time, and draws speculation that ethanol may not be a particularly practical next step. The argument which has generally been levied since the popular inception in the 1960s and 1970s of the idea that ethanol might constitute a sustainable alternative to fully petroleum burning engine modes, by its detractors, that there is a net energy loss experienced in the refinement. The conversion the corn-based substance into a useable fuel is a process which in and of itself is demanding of a number or resources and process. The general agricultural costs such as natural gas-based fertilizers and mechanical cultivation, as well as the historically prohibitive expenditure of time, transportation and industrial energy to reduce corn cellulose to an ethanol form, help to make the endorsement of ethanol an Achilles heel of biofuel advocacy. And according to current findings, "it is shown here that one burns 1 gallon of gasoline equivalent in fossil fuels to produce 1 gallon of gasoline equivalent as ethanol from corn. When this corn ethanol is burned as a gasoline additive or fuel, its use amounts to burning the same amount of fuel twice to drive a car once." (Patzek et al., p. 319) Such is to say that those oriented to the discrediting of alternative fuel sources are given ammunition by the fact that distilling, fermenting and yielding grain from corn had until only recently resulted in a total net loss of production energy. It is only now, according to the government's seminal reference on the subject, 2002's the Energy Balance of Corn Ethanol, that technology has advanced to a level where there is a net energy gain. According to that report, research had concluded "that the NEV of corn ethanol has been rising over time due to technological advances in ethanol conversion and increased efficiency in farm production. [Researchers]...
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