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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.
Ethanol is commonly made from biomass such as corn or sugarcane. World ethanol production for transport fuel tripled between 2000 and 2007 from 17 × 10 9 liters (4.5 × 10 ^ 9 U.S. gal; 3.7 × 10 ^ 9 imp gal) to more than 52 × 10 9 liters (14 × 10 ^ 9 U.S. gal; 11 × 10 ^ 9 imp gal).
In 1995 the USDA released a report stating that the net energy balance of corn ethanol in the United States was an average of 1.24. It was previously considered to have a negative net energy balance. However, due to increases in corn crop yield and more efficient farming practices corn ethanol had gained energy efficiency. [3]
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 ...
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Corn is the main feedstock for the production of ethanol fuel in the U.S. A July 2008 World Bank report [173] found that from June 2002 to June 2008 "biofuels and the related consequences of low grain stocks, large land use shifts, speculative activity and export bans" accounted for 70–75% of total price rises. The study found that higher oil ...
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 ...
Example of public gas station with hE15 next to diesel and regular gasoline in the Netherlands. A 15% hydrous ethanol and 85% gasoline blend, hE15, has been introduced at public gas stations in the Netherlands since 2008. Ethanol fuel specifications worldwide traditionally dictate use of anhydrous ethanol (less than 1% water) for gasoline blending.