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Another serious problem with corn ethanol as a replacement for gasoline, is the engine damage on standard vehicles. E10 contains ten percent ethanol and is acceptable for most vehicles on the road today, while E15 contains fifteen percent ethanol and is usually prohibited for cars built before 2001. [5]
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 ...
At this time, costs of conversion of cellulosic fuels, at $1.46 per gallon, were roughly twice that of corn-based ethanol, at $0.78 per gallon. Cellulosic biofuels from corn stover and miscanthus were 24% and 29% more expensive than corn ethanol, respectively, and switchgrass biofuel is more than twice as expensive as corn ethanol. [29]
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 ...
Ethanol provides only 55% as much energy as gasoline per gallon, realizing about a $3.45 per gallon gasoline trade off. [67] Corn is used to feed chickens, cows, and pigs, so higher corn prices lead to higher prices for chicken, beef, pork, milk, cheese, etc. [citation needed] U.S. Senators introduced the BioFuels Security Act in 2006.
Scientific study concludes that ethanol is likely a net environmental negative, contradicting a past USDA study that heralded the corn-based biofuel’s effect. Ethanol at the Gas Pump May Be ...
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 ...
RFA also complained that corn-based ethanol scored only a 21% reduction, noting that without ILUC, corn ethanol achieves a 52% GHG reduction. [100] [101] RFA also objected that Brazilian sugarcane ethanol "benefited disproportionally" because EPA's revisions lowered the initially equal ILUC estimates by half for corn and 93% for sugarcane. [102]