Not exact matches
The program's biorefinement labs can
produce ethanol and biodiesel; wind and solar are focuses
for renewable energy generation.
You can «absolutely» make money by going green, said Khosla, who believes
ethanol can eventually be
produced for less than $ 1 a gallon.
The nation's energy policy calls
for so much
ethanol that it consumes 40 % of the corn
produced in the United States.
An assessment paid
for by DuPont said that the
ethanol it will
produce there could be more than 100 per cent better than gasoline in terms of greenhouse gas emissions.
In 2008, subsidies to
produce corn
ethanol reduced the amount of corn available
for food.
In addition there are versions of corn that can be grown where the stalk and leaves have been modified to
produce the material
for ethanol while the grain can be harvested
for food.
«Although we
produce ethanol, our primary focus remains on high - quality food ingredients
for discriminating customers.»
Cogeneration facilities
for producing ethanol and refined sugar are also planned.
After a much - quoted warning that «America is addicted to oil» in this year's State of the Union address, President Bush called
for «cutting - edge methods of
producing ethanol, not just from corn but from wood chips and stalks or switchgrass.
Last year about 1.6 billion bushels of corn were fermented in the United States to
produce 4 billion gallons of
ethanol, double the amount
for 2001.
There is certainly a case
for re-doubling the scientific efforts to
produce bio-fuels on lands which do not compete with food crops,
for example from cellulosic
ethanol, but this technology is still not ready
for the market.
The remaining sugar (
for plants with less than 20 % oil) could be sold or used to
produce ethanol.
«Corn - based
ethanol, instead of
producing a 20 percent savings [in greenhouse gas emissions], nearly doubles greenhouse emissions over 30 years and increases greenhouse gases
for 167 years,» the researchers write.
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.
Max Shauck, chair of the Baylor Institute
for Air Science (who flew an
ethanol - powered prop plane at air shows in the 1980s), has converted at least 1,000 such aircraft in Brazil, a country that has weaned itself from foreign oil by embracing
ethanol domestically
produced from sugarcane.
The study is the second major report this month calling
for greater research on the environmental effects of
producing ethanol and other renewable transportation fuels.
Finding a cost - effective method
for breaking down the tough cellulose in plant matter to
produce ethanol has been a tough challenge, involving both innovations in chemistry and in field operations like the baling feeder developed by Woodford.
This figure shows how much water is used to
produced one unit of
ethanol (defined as water use intensity)
for each energy crop.
«But there are ways to obtain
ethanol for fuel from fermentation that
produce something that chemically is very much like beer — so beer is an excellent readily available model to test our technology.»
The report added that «a biorefinery that
produces 100 million gallons of
ethanol per year,
for example, would use the equivalent of the water supply
for a town of about 5,000 people.»
«The amount of
ethanol produced by chemical catalysis is around 70 or 80 gallons perton,» says Wes Bolsen, chief marketing officer
for Coskata, located in Warrenville, Illinois.
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.
Searchinger's outlook is bleaker: He estimates that the rise in corn - based
ethanol production in the United States would increase greenhouse gases, relative to what our current, fossil - fuel - based economy
produces,
for 167 years.
«
Ethanol made from miscanthus would need a much smaller carbon price to make it desirable to produce and for consumers to purchase as compared to ethanol from switchgrass and corn
Ethanol made from miscanthus would need a much smaller carbon price to make it desirable to
produce and
for consumers to purchase as compared to
ethanol from switchgrass and corn
ethanol from switchgrass and corn stover.
And farmers have figured out a way
for ethanol to be more energy -
producing than energy - consuming.
George Huber, chemical engineer, University of Massachusetts at Amherst - Bright Idea:
Produce ethanol or other renewable fuels from biomass that we do not use
for food.
LanzaTech has partnered with Global Fortune 500 Companies and others to use this technology, including facilities that can each
produce 100,000 gallons per year of
ethanol, and a number of chemical ingredients
for the manufacture of plastics.
Among the multiple applications
for different processing pathways of corn or sorghum
ethanol are four pathways from LytEn
for hydrogen
produced from biomethane; four pathways
for renewable... Read more →
Simultaneous Co-Fermentation of Mixed Sugars: A Promising Strategy
for Producing Cellulosic
Ethanol, Soo Rin Kim, Suk - Jin Ha, Na Wei, Eun Joong Oh, Yong - Jin, Trends in Biotechnology, http://dx.doi.org/10.1016/j.tibntech.2012.01.005, February 20, 2012.
When you account
for these factors, corn
ethanol — currently the most widely
produced biofuel in the United States — generates about 43 percent less carbon dioxide than gasoline.
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).
Methanol is used
for producing biodiesel, as a fuel, denaturant
for ethanol, and is a greenhouse gas.
The real reason
for the existence of
ethanol fuel is that it is somewhat easier to
produce ethanol from agricultural products than it is to
produce biogasoline.
Furthermore, the Brazilian subsidiary began
producing flex - fuel versions
for the Civic and the Fit models, capable of running on any blend of gasoline (E20 to E25 blend in Brazil) and
ethanol up to E100.
A better title would have been: «Fueled: The Effects of Using Food
for Fuel» or something like that, because the central question of the book is to what degree has using crops to
produce biomass
for fuel production (usually
ethanol) affected the costs of food and fuel.
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.
Meanwhile, we are witnessing an extraordinary increase in disastrous climatic changes as well as shortages of wheat due, in part to weather conditions and also to conversion of wheat fields to
produce corn
for ethanol.
Clearcutting rainforests
for corn to
produce Ethanol?
Importing sugar - based
ethanol from Brazil will create a market
for that product in the U.S. — and that will
produce a sweet new market
for Florida sugarcane growers, too.
Just been looking up the sources
for commercial CO2 and here is a short exerpt from google: «The most common operations from which commercially -
produced carbon dioxide is recovered are industrial plants which
produce hydrogen or ammonia from natural gas, coal, or other hydrocarbon feedstock, and large - volume fermentation operations in which plant products are made into
ethanol for human consumption, automotive fuel or industrial use.
Estimating fossil CO2
produced from,
for example, a grain
ethanol program takes attention from voters, including scientists.
Simpletons and Bush / Mcbush apologists also feel that
ethanol which is LESS efficient than ordinary gas, is a GREAT idea, even as it creates the world's largest dead zone in the Gulf, offshore drilling is THE answer despite anyone w / a brain stating that this capacity won't come online
for 30 years and which will
produce about three weeks» worth of oil at our country's CURRENT rate of use, and that some silly gas tax reprieve, which will cost us in infrastructure improvements and lost jobs, is a good thing....
for example, someone from the
ethanol lobby had a letter in the times pointing to some 300 000 000 (million) gallons of
ethanol for road fuel
produced i a recent year.
The EPA allows small oil refineries to apply
for hardship exemptions from the RFS
ethanol blending requirements, with «small» meaning capacity 10,000 tons of biomass per day,
producing at least 20,000 barrels of fuel per day.
If I
produced corn
ethanol, and the price of oil went up, I'd charge a lot more
for my
ethanol to maximize profitability while my competitor's prices were high, which, in a nutshell is why
ethanol does little to protect consumers from oil price spikes.
In Brazil
ethanol has become economically competitive with gasoline, and the country's biofuels program could serve as a world model
for producing sustainable energy, officials say.
Last year, to much fanfare, the first batch of qualifying cellulosic
ethanol was
produced (i.e., it qualified
for credits under the EPA program
for certifying
ethanol for sales).
The largest application
for biomass is to burn it directly or to ferment it to
produce ethanol.
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.
In fact, cumulative new
ethanol production since 2005 has accounted
for 62 % of new domestically -
produced liquid fuels, while cumulative new U.S. crude oil production has accounted
for 38 %.