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The corn starch and remaining water can be fermented into ethanol through a similar process as dry milling, dried and sold as modified corn starch, or made into corn syrup. The gluten protein and steeping liquor are dried to make a corn gluten meal that is sold to the livestock industry.
Sugarcane ethanol has an energy balance seven times greater than corn ethanol. [101] As of 2007, Brazilian distiller production costs were 22 cents per liter, compared with 30 cents per liter for corn-based ethanol. [102] Corn-derived ethanol costs 30% more because the corn starch must first be converted to sugar before distillation into ...
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 fact, to make the U.S. corn ethanol industry profitable, lawmakers had to institute a tariff against Brazilian ethanol, which is made with sugar cane.The 54-cents-a-gallon tariff, coupled with ...
Corn ethanol production is capped at 15 billion gallons per year under the current RFS, which, given land and irrigation constraints, is a good ceiling. A problem arises when you consider that the ...
The dominant ethanol feedstock in warmer regions is sugarcane. [8] In temperate regions, corn or sugar beets are used. [8] [9] In the United States, the main feedstock for the production of ethanol is currently corn. [8] Approximately 2.8 gallons of ethanol are produced from one bushel of corn (0.42 liter per kilogram).
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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 ...