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Compared to oil, with an 11:1 EROI, corn ethanol has a much lower EROI of 1.5:1, which, in turn, also provides less mileage per gallon compared to gasoline. [7] In the future, as technology advances and oil becomes less abundant, the process of milling may require less energy, resulting in an EROI closer to that of oil.
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.
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]
Ethanol fuel has a "gasoline gallon equivalency" (GGE) value of 1.5, i.e. to replace the energy of 1 volume of gasoline, 1.5 times the volume of ethanol is needed. [4] [5] Ethanol-blended fuel is widely used in Brazil, the United States, and Europe (see also Ethanol fuel by country). [2]
U.S. gasoline prices are heading south and may hit $3 a gallon in many places in coming weeks with crude oil futures down $10 a barrel over economic fears and eroding demand. The drop in gasoline ...
Brazil's sugar cane-based industry is far more efficient than the U.S. corn-based industry. Brazilian distillers are able to produce 1 liter of ethanol for $0.19–0.24 (or $0.71–0.90 per gallon), compared with the $0.41–0.46 per liter for corn-based ethanol (or $1.55–1.74 per gallon) (no reliable source referenced). [106]
Higher gas prices in February were one of the main drivers behind a surprising rise in inflation reported last week. The national gas average on Friday sat at $3.53 per gallon, nearly $0.10 higher ...
Oil prices will fall to an average of $65 per barrel in 2025 amid an oversupply of crude and a backdrop of slowing demand as countries shift toward cleaner energies and forms of transportation, ...