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Corn ethanol is ethanol produced from corn biomass and is the main source of ethanol fuel in the United States, mandated to be blended with gasoline in the Renewable Fuel Standard. Corn ethanol is produced by ethanol fermentation and distillation .
In Brazil where sugar cane is used, the yield is higher, and conversion to ethanol is more energy efficient than corn. Recent developments with cellulosic ethanol production may improve yields even further. [12] In 2006 a study from the University of Minnesota found that corn-grain ethanol produced 1.25 units of energy per unit put in. [13]
For each billion ethanol-equivalent gallons of fuel produced and combusted in the US, the combined climate-change and health costs are $469 million for gasoline, $472–952 million for corn ethanol depending on biorefinery heat source (natural gas, corn stover, or coal) and technology, but only $123–208 million for cellulosic ethanol ...
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.
People who monitor agricultural commodities are calling last week's government report on corn -- the nation's largest crop -- a game-changer. According to the Department of Agriculture, American ...
One bushel of corn can produce 2.8 gallons of ethanol in as well as 17-18 pounds of DDGS. [13] Compared to other major sources, corn is the least efficient means of ethanol production. In 2007, the production process used 75% of the energy extracted. [14] [needs update] On account of great demand for ethanol, corn is fetching higher prices.
A combine harvests corn to be used for ethanol as a tractor hauls a grain cart on a section of farmland in Michigan on Thursday, November 16, 2023.