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In the United States, 40% of the acreage designated for corn grain is used for corn ethanol production, of which 25% was converted to ethanol after accounting for co-products, leaving only 60% of the crop yield for human or animal consumption. [30] Growing corn to fuel internal combustion vehicles is a highly inefficient use of land.
However, the co-product from this process will produce corn oil, corn gluten meal, corn germ meal, corn gluten and feed steep water. The average of one bushel of corn generally will have about 32 lb of starch or 33 lb sweeteners or 2.5 gallons of fuel ethanol and 11.4 lb gluten feed and 3 lb gluten meal and 1.6 lb corn oil. [9] [10]
Almost all corn oil is expeller-pressed, then solvent-extracted using hexane or 2-methylpentane (isohexane). [1] The solvent is evaporated from the corn oil, recovered, and re-used. After extraction, the corn oil is then refined by degumming and/or alkali treatment, both of which remove phosphatides. Alkali treatment also neutralizes free fatty ...
Since the 1970s, the U.S. has subsidized ethanol produced from food crops, especially from corn, thus providing a homegrown, alternative fuel source for our automobiles. But for multiple reasons ...
During the 2008 financial crisis corn prices, fell 50% from their July 2008 high by October 2008, in tandem with other commodities, including oil, while corn ethanol production continued unabated. "Analysts, including some in the ethanol sector, say ethanol demand adds about 75 cents to $1.00 per bushel to the price of corn, as a rule of thumb.
The price for corn has skyrocketed to more than $7 a bushel (which, by the way, is close to its all-time high), and the worldwide buffer supply of Genetically Modified Corn for Ethanol Fuel Could ...
He wrote that Pimentel assumes that corn ethanol entirely replaces gasoline and so the quantity of by-products is too large for the market to absorb, and they become waste. At lower quantities of production, Wang finds it appropriate to credit corn ethanol based on the input energy requirement of the feed product or good that the ethanol by ...
Producers will be eligible for tax credits ranging from $1.25 to $1.75 per gallon, depending on how much their fuel reduces emissions compared with conventional products such as kerosene-based jet ...