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Blume's primary insight follows from that of Buckminster Fuller, who wrote the foreword to the book in 1983: that alcohol (or ethanol) is a renewable variety of solar energy in liquid form, the cultivation of which can enhance soils, be used as a minimally- or non-polluting fuel, and enable farmers and individuals at large to make fuel locally.
In wine making this is known as the counter-Pasteur effect. These yeasts will produce ethanol even under aerobic conditions, if they are provided with the right kind of nutrition. During batch fermentation, the rate of ethanol production per milligram of cell protein is maximal for a brief period early in this process and declines progressively ...
The more popular methods for production of ethanol and cellulosic ethanol use enzymes that must be isolated first to be added to the biomass and thus convert the starch or cellulose into simple sugars, followed then by yeast fermentation into ethanol. This process does not need the addition of such enzymes as these microorganisms make their own ...
Overall, 94% of ethanol in the United States is produced from corn. [5] Currently, corn ethanol is mainly used in blends with gasoline to create mixtures such as E10, E15, and E85. Ethanol is mixed into more than 98% of United States gasoline to reduce air pollution. [5] Corn ethanol is used as an oxygenate when mixed with gasoline.
Expanding ethanol (and biodiesel) industries provided jobs in plant construction, operations, and maintenance, mostly in rural communities. According to RFA the ethanol industry created almost 154,000 U.S. jobs in 2005, boosting household income by $5.7 billion. It also contributed about $3.5 billion in federal, state and local tax revenues. [45]
Most ethanol plants rely on natural gas to power their processing equipment. The process to be used at the Emmetsburg plant will enable the plant to make 11% more ethanol by weight of corn and 27% more by area of corn. The process cuts the need for fossil fuel power at the plant by 83% by using some of its own byproduct for power.
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E10 or Gasohol is commonly marketed in Delaware and E85 is found in many states, particularly in the Midwest where ethanol from corn is produced locally. Many states and municipalities have mandated that all gasoline fuel be blended with 10 percent alcohol (usually ethanol) during some or all of the year.