US looks ahead after ethanol subsidy expires
After a series of bitter political fights, the US Congress allowed a subsidy for ethanol fuel to expire at the end of 2011, ending a program harshly criticized by environmentalists and others.
Technology / Energy & Green Tech
Jan 15, 2012 |
4.4 / 5 (7) |
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Making nature's best better to produce biofuels
If a tree falls in the forest and there are no enzymes to digest it, does it break down?
Feb 01, 2012 |
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Researchers develop 'super' yeast that turns pine into ethanol
Researchers at the University of Georgia have developed a "super strain" of yeast that can efficiently ferment ethanol from pretreated pine -- one of the most common species of trees in Georgia and the U.S. Their research ...
Nov 18, 2011 |
4.3 / 5 (3) |
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U.S. unlikely to hit Renewable Fuel Standard for cellulosic biofuels: report
The biofuel industry will not be able to meet the cellulosic production requirements of the Renewable Fuel Standard without significant advancements in technology or investment, according to a National Academy of Sciences ...
Technology / Energy & Green Tech
Oct 05, 2011 |
3 / 5 (2) |
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Study finds more effective way to dry ethanol, reduce costs
(PhysOrg.com) -- Purdue University researchers have found an alternative environmentally friendly and energy-efficient way to dry corn ethanol, and their proof is in the pudding.
Sep 14, 2011 |
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Dividing corn stover makes ethanol conversion more efficient
(PhysOrg.com) -- Not all parts of a corn stalk are equal, and they shouldn't be treated that way when creating cellulosic ethanol, say Purdue University researchers.
Oct 25, 2011 |
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Study questions cost-effectiveness of biofuels and their ability to cut fossil fuel use
A new study by economists at Oregon State University questions the cost-effectiveness of biofuels and says they would barely reduce fossil fuel use and would likely increase greenhouse gas emissions.
Technology / Energy & Green Tech
Nov 29, 2011 |
5 / 5 (1) |
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Switch from corn to grass would raise ethanol output, cut emissions
Growing perennial grasses on the least productive farmland now used for corn ethanol production in the U.S. would result in higher overall corn yields, more ethanol output per acre and better groundwater quality, ...
Jul 12, 2011 |
3.7 / 5 (9) |
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Pretreatment, proper harvest time boost ethanol from switchgrass
Adding a pretreatment step would allow producers to get more ethanol from switchgrass harvested in the fall, according to a Purdue University study.
Aug 31, 2011 |
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Second-generation ethanol processing cost prohibitive: study
Costs for second-generation ethanol processing, which will ease the stress on corn and sugarcane, are unlikely to be competitive until 2020, according to a unique Queen's University study.
Technology / Energy & Green Tech
Nov 21, 2011 |
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Generating ethanol from lignocellulose possible, but large cost reductions still needed
The production of ethanol from lignocellulose-rich materials such as wood residues, waste paper, used cardboard and straw cannot yet be achieved at the same efficiency and cost as from corn starch. A cost comparison has concluded ...
Nov 08, 2011 |
5 / 5 (1) |
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Food vs. fuel: Scientists say growing grain for food is more energy efficient
Using productive farmland to grow crops for food instead of fuel is more energy efficient, Michigan State University scientists concluded, after analyzing 17 years' worth of data to help settle the food versus fuel debate.
Apr 19, 2010 |
4.3 / 5 (12) |
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Fill 'er up with tobacco? Berkeley lab-led team explores new path to biofuels
(PhysOrg.com) -- Mention biofuels and most people think of corn ethanol. Some may think of advanced biofuels from switchgrass or miscanthus. But tobacco? Not likely.
Feb 24, 2012 |
5 / 5 (3) |
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Ethanol Production Methods More Efficient Now: Study
(PhysOrg.com) -- A new University of Illinois at Chicago study of facilities that produce most of the nation's ethanol found that the energy needed to make a gallon of the corn-based fuel decreased on average by about 30 ...
Technology / Energy & Green Tech
May 27, 2010 |
3.6 / 5 (5) |
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Grasses have potential as alternate ethanol crop, study finds
Money may not grow on trees, but energy could grow in grass. Researchers at the University of Illinois have completed the first extensive geographic yield and economic analysis of potential bioenergy grass crops in the Midwestern ...
Nov 01, 2010 |
3.8 / 5 (4) |
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