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Not exact matches
Much of the ETBE
used in Japan is already made in the United States
using Brazilian sugarcane
ethanol, so the new rules should make it easy for producers to switch quickly to U.S.
corn - based sources.
«The study says it will be very hard to make a biofuel that has a better greenhouse gas impact than gasoline
using corn residue,» which puts it in the same boat as
corn - based
ethanol, said David Tilman, a professor at the University of Minnesota who has done research on biofuels» emissions from the farm to the tailpipe.
Later this year the company is scheduled to finish a $ 200 million - plus facility in Nevada, Iowa, that will produce 30 million gallons of cellulosic
ethanol using corn residue from nearby farms.
Corn is increasingly being
used to convert into
ethanol in the U.S. and in high demand in China where it it
used to feed into the meat industry, and it has yet to be seen how this year's significant loss in harvest will impact grain
use across the globe.
«The
uses for
corn in
ethanol production coupled with drought conditions throughout the Midwest growing regions have led to dramatic price increases affecting everything from prepared foods to animal feed for our dairy and meat products,» he states.
Using Patzek's methodology for every aspect of
ethanol production save the conversion process itself, a gallon of
Corn Plus
ethanol consumes less energy than it contains — even before factoring in credit for coproducts.
By contrast, traditional
ethanol requires new equipment and
uses edible plants like
corn and sugar that need rich farmland to grow.
While
ethanol currently makes up less than 4 percent of the motor fuel
used nationally, the
corn used in
ethanol production constitutes 14 percent of the domestic crop.
And unlike the
corn used to produce
ethanol in the United States, algae do not compete with food for farmland, one of the biggest problems with current biofuels.
Ethanol, an alcohol that can be made from
corn, is now widely
used as a gasoline additive due to its oxygen content and octane rating, or antiknock index.
The team achieved better hydrogen yields
using methanol and
ethanol as starting materials but because glucose can be derived from plant waste such as wood pulp, straw and leftovers from
corn production, the scientists will continue to work on their approach.
«So instead of taking
corn and extracting its sugars to make
ethanol, we're making
use of the stalks and cobs left over after the
corn is harvested, as well as other kinds of waste like wood chips and rice hulls.»
When existing
corn is
used for
ethanol, what comes out of the tailpipe doesn't change and what is taken out of the atmosphere doesn't change either because the
corn would be grown anyway.
The rest can still be fed into the
corn supply chain to make
ethanol or grits or any of the other products
corn is already
used for.
The E. coli can be grown in large fermentation tanks, exactly like those
used to brew
ethanol from
corn, and have also been genetically tweaked to tolerate high concentrations of BDO in their water.
Obama has, however, also been a supporter of
ethanol made primarily from
corn — a prominent industry in his home state of Illinois — and recently told farmers he supports federal mandates to make nine billion gallons (34 billion liters) of
ethanol to
use as fuel this year.
Using corn crop residue to make
ethanol and other biofuels reduces soil carbon and can generate more greenhouse gases than gasoline, according to a study published today in the journal Nature Climate Change.
We're learning now that not all
ethanol is the same and that there may be better
uses for
corn than fueling cars.
Today most
ethanol in the United States is made from
corn,
using an energy - intensive process that may not actually save a lot of fossil fuel, and in any case America can not produce enough
ethanol from
corn to really matter.
AE Biofuels
uses an enzyme - based approach to the production of cellulosic
ethanol and has designed our process to be integrated with existing
corn ethanol production, in addition to building cellulose - only plants.
Farmers make the fuel by chemically treating
corn kernels to isolate the sugars and then feeding the sugars to yeast, which digests them and secretes
ethanol.Not only do the
corn husks and stalks go to waste, but
ethanol production has driven up the price of the
corn that is
used for food by reducing its availability.
In November researchers at the University of Texas at Austin found that producing
corn ethanol consumes 28 gallons of water per mile traveled, whereas conventional petroleum
uses 0.15 gallon.
That method could make a difference in cellulosic biofuel plants, which produce
ethanol from waste products —
corn husks and cobs — rather than edible kernels, a major advance in addressing the tradeoff of
using agricultural land to grow
corn for fuel rather than for food.
Corn ethanol made from irrigated crops, for example, can
use more than 1,000 times more water than oil refining, according to calculations by Sandia National Laboratory.
By 2016 about 43 percent of thatarea will be
used to harvest
corn for
ethanol.
«It takes 77 million years to make fossil fuels and 45 minutes to
use as a coffee cup,» says Cereplast's Scheer, noting that his industry can
use the residue of government - mandated production of biofuels, such as
ethanol from
corn.
This means that switchgrass
ethanol delivers 540 percent of the energy
used to produce it, compared with just roughly 25 percent more energy returned by
corn - based
ethanol according to the most optimistic studies.
Our TransFerm and TransFerm Yield + bioengineered yeast products are widely
used in the
corn ethanol industry and our next generation products are ready to deploy for industrial cellulosic
ethanol production.
Using corn to produce
ethanol has driven up food prices in recent years, and converting forests and other areas into farmland to grow more
corn for biofuels may well negate
ethanol's improved greenhouse gas emissions (GHG).
U.S. organizations promoting the global
use of
ethanol will continue to work closely with the Japanese government as it implements its new policy and provide updated technical information about GHG reductions and other benefits of
corn - based
ethanol.
If you
use the
ethanol because your country hates poor people eating
corn you should probably change it pretty regular.
In this study, we evaluate transportation impacts and infrastructure requirements for the
use of E85 (85 %
ethanol, 15 % gasoline) in light - duty vehicles
using a combination of
corn and cellulosic
ethanol.
The company they've bought into has a novel approach to producing
ethanol that could
use virtually any carbon source and would decouple that fuel from
corn production, potentially making it possible for cities to produce their own transportation fuel
using their own MSW, eliminating some of the need for landfilling and the associated long - tail methane and CO2 releases from same.
The key factors determining carbon emissions for
corn - based
ethanol are (1) whether coal or natural gas is
used to power the
ethanol plant, (2) whether distillers grains are dried or sold wet, and (3) whether expansion of
corn acreage comes mainly from reduced acreage of lower - value crops or if idled land is brought into production.
Today, the House Energy and Commerce Committee should be holding a hearing on advancing America's, and the world's, energy future by initiating a sustained quest to break the economic shackles imposed by enduring dependence on oil (that doesn't involve
using 40 percent of our
corn crop to produce
ethanol in a world facing food price spikes).
Using a lot of energy to make a fuel (consider the hydrogen saga or
corn ethanol) has rarely made sense.
Cruz creditably withstood the perennial temptation — among Republicans and Democrats alike — to bow down to Big
Corn and the federal mandate for ethanol that has been such a boon to Iowa corn farmers and bane if you care about food prices, greenhouse gas emissions, herbicide use or the loss of wild vegetation in the Midwest that is an important food source for monarchs and habitat for other wildl
Corn and the federal mandate for
ethanol that has been such a boon to Iowa
corn farmers and bane if you care about food prices, greenhouse gas emissions, herbicide use or the loss of wild vegetation in the Midwest that is an important food source for monarchs and habitat for other wildl
corn farmers and bane if you care about food prices, greenhouse gas emissions, herbicide
use or the loss of wild vegetation in the Midwest that is an important food source for monarchs and habitat for other wildlife.
Both electricity generation and the production of
corn used for beef and
ethanol production are methods of mining the aquifer's water to make money in the near term.
«Several years ago, we made some decisions about how
corn is going to be
used to make
ethanol, which is added to our gasoline,» said Velshi on «American Morning» April 4.
The paper didn't fail to mention what we have reported on before, that
corn farming for
ethanol using management practices such as commercial fertilizer application, mechanical tillage, and intensive drainage is the most important driver of this increase in nitrogen pollution.
Let's not forget that agriculture is the largest consumptive water
use category and that farmers in Alabama, like farmers everywhere, want their share of
corn ethanol profits.
For example, a farmer in northern Iowa could plant an acre in
corn that yields enough grain to produce roughly $ 1,000 worth of fuel - grade
ethanol per year, or he could
use that same acre to site a turbine producing $ 300,000 worth of electricity each year.
SYDNEY — Spectators at February's Daytona 500 in Florida were handed green flags to wave in celebration of the news that the race's stock cars now
use gasoline with 15 percent
corn - based
ethanol.
Their findings showed a startling 218 - 990 million hectares of land would have to be converted to switchgrass (which is 14 - 65 times as much land as the US
uses to grow
corn for
ethanol); also 17 - 79 million tonnes of fertiliser a year — which would be 75 % of all global nitrogen fertiliser
used at present; and 1.6 - 7.4 trillion cubic metres of water a year.
Eligible feedstocks for gasoline substitutes are waste - based biomass and purpose grown crops with a carbon intensity substantially lower than current average California produced
ethanol using Midwest
corn feedstocks (80.7 gCO2 - eq / MJ).
A minimal first step would be to ensure that all fossil fuel inputs to biofuels are carbon - taxed, including natural gas
used as feedstock for ammonia - based fertilizers of
corn grown for
ethanol.
Similarly, the nonpartisan Congressional Budget Office issued a report on the subject in June 2014, finding «only limited potential» for reducing greenhouse gas emissions through
use of
corn - based
ethanol in the future:
And there was this: «By
using a worldwide agricultural model to estimate emissions from land -
use change,» Timothy Searchinger of Princeton and other researchers reported in 2008, «we found that
corn - based
ethanol, instead of producing a 20 percent savings, nearly doubles greenhouse emissions over 30 years and increases greenhouse gases for 167 years.»
National Research Council: [A] ccording to EPA's own estimates,
corn - grain
ethanol produced in 2011, which is almost exclusively made in biorefineries
using natural gas as a heat source, is a higher emitter of GHG than gasoline.