Sentences with phrase «switchgrass for»

Because so little energy is required to cultivate crops such as switchgrass for cellulosic ethanol production, and because electricity can be co-produced using the residues of such cellulosic fuel production, reductions in greenhouse gas emissions for celluslosic ethanol when compared to gasoline are greater than 100 per cent.

Because land - use decisions are local, Geyer explains, he and his colleagues examined five prominent «sun - to - wheels» energy conversion pathways — ethanol from corn or switchgrass for internal combustion vehicles, electricity from corn or switchgrass for BEVs, and PV electricity for BEVs — for every county in the contiguous United States.

An experiment by Argonne National Laboratory in Central Illinois explores the potential of formerly overlooked plants such as willow and switchgrass for bioenergy feedstock, offering farmers a possibly lucrative use for difficult land and preventing nitrogen pollution to boot.

Furthermore, as significant as that carbon sequestration by switchgrass is, there are farmers growing switchgrass and other plants to raise cattle that have double to triple + the rate of carbon sequestration as the switchgrass for biofuel guys!

Isolation and characterization of N2 - fixing bacteria from giant reed and switchgrass for plant growth promotion and nutrient uptake — Jia Xu — Journal of Basic Microbiology

Not exact matches

Compared with rows of maize, tufts of switchgrass grown for biofuel have hidden perks, a new study finds.

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.

By 2030 the Department of Energy envisions American farmers harvesting fields of switchgrass purely for their energy content.

Moving forward, Smith's group seeks to further validate molecular dynamics simulations as a predictive tool by modeling a genetically modified form of switchgrass, another plant targeted for cellulosic ethanol.

Switchgrass and prairie cordgrass, both native perennial grasses grown for biomass, come out of dormancy when the soil warms up for a week or more, usually in April.

«With switchgrass, for example, frequently you can not harvest the first year's crop because it takes a long time for the root system to establish,» says study author Philip Benfey, a professor of biology at Duke University and director of Duke's Institute for Genome Sciences and Policy Center for Systems Biology.

Faster - growing root systems could allow new plants to take hold more quickly, including perennial grasses like switchgrass and Miscanthus, which are considered viable feedstocks for next - generation biofuel.

The work was performed in Setaria viridis, an emerging model system for grasses that is closely related to economically important cereal crops and bioenergy feed stocks such as maize, sorghum, switchgrass and sugarcane.

«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 stover.

Farmers in Nebraska and the Dakotas brought the U.S. closer to becoming a biofuel economy, planting huge tracts of land for the first time with switchgrass — a native North American perennial grass (Panicum virgatum) that often grows on the borders of cropland naturally — and proving that it can deliver more than five times more energy than it takes to grow it.

Scientists searching for the next big energy - producing biofuel, something such as switchgrass that power plants could burn to make electricity and reduce their carbon emissions, have a very fussy wish list.

GREEN GRASS Growing switchgrass (left) for biofuels produces more biodiversity and ecological benefits than growing maize (right) does.

Though the study is complete for the Upper Midwest, many farmers may still be hesistant to switch to switchgrass because they are accustomed to growing maize for food and for fuel, says economist Gregory Parkhurst of Weber State University in Ogden, Utah.

Instead of processing commodities that might otherwise be used for food, next generation fuels can be produced from dedicated energy crops like switchgrass, to the non-edible parts of corn plants, to unmarketable wood from the lumber industry — taking resources that would otherwise go to waste and using them to fuel our energy independence.

We have carried out proteomic analysis of this cultivar as a resource for the community to help develop switchgrass biology.

A Simple System for Promoting Flowering of Upland Switchgrass in the Greenhouse, Joseph Castro, Arvid Boe, D.K. Lee.

«In biomass like wood, corn stover and switchgrass, cellulose is the most abundant polymer that researchers are trying to convert to biofuels and plastics,» said chemist Z. Conrad Zhang, who led the work while at PNNL's Institute for Integrated Catalysis.

Regular gasoline is a really high cost of farming for them, and they have a lot of switchgrass.»

Biochar and switchgrass work together for odor absorption, and act like a filter.

«Our new product in the litter category is the OurPet's Switchgrass Natural Cat Litter with BioChar,» said Rachelle Rabasi, director of marketing for the Fairport Harbor, Ohio - based company.

When land and other resources that would have been used for a crop (e.g., corn) are diverted to another crop (e.g., switchgrass), the price of the displaced crop will tend to increase because of the decreased supply, which will in turn tend to increase the price of any substitutes for the displaced crop, such as rice for corn.

«Even if we were able to use productive plants such as poplar trees or switchgrass, and store 50 % of the carbon contained in their biomass, in the business - as - usual scenario of continued, unconstrained fossil fuel use, the sheer size of the plantations for staying at or below 2 °C of warming would cause devastating environmental consequences,» Boysen says.

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.

The latter would mean, for example, using less corn and more switchgrass to produce fuel ethanol.

They see small - scale cellulosic refineries located near switchgrass grown on empty fields, beside pulp paper mill plants, or linked to municipal landfills, producing ethanol and using leftover biomass for co-generation of heat.

Without higher subsidies, «rational farmers will not grow switchgrass or soybeans for biofuel production, and rational investors will not build these plants.»

They envision vast fields of switchgrass, a tall prairie grass, grown without water on vacant land, and harvested for fuel.

The National Commission on Energy Policy reported in December that, if fleet mileage in the U.S. rises to 40 mpg — somewhat below the current European Union fleet average for new vehicles of 42 mpg and well below the current Japanese average of 47 mpg - then as switchgrass yields improve modestly to around 10 tons / acre it would take only 30 million acres of land to produce sufficient cellulosic ethanol to fuel half the U.S. passenger fleet.

By way of calibration, this would essentially eliminate the need for oil imports for passenger vehicle fuel and would require only the amount of land now in the soil bank (the Conservation Reserve Program («CRP») on which such soil - restoring crops as switchgrass are already being grown.

Watched the video, and it sounds like 44 has taken over from 43 as lead spokesman for Big Switchgrass.

55 Fig. 20 - 15, p. 482 Tree plantation Coal power plant Tanker delivers CO2 from plant to rig Oil rig CO2 is pumped down from rig for deep ocean disposal Spent oil reservoir is used for CO 2 deposit Abandoned oil field Crop field Spent oil reservoir is used for Crop field Switchgrass = CO2 deposit = CO2 pumping CO 2 deposit CO2 is pumped down to reservoir through abandoned oil field

For example, unlike corn — the most common ethanol source in the U.S. — switchgrass shouldn't threaten food availability.

59 down from rig for deep ocean disposal Abandoned oil field Crop field Spent oil reservoir is used for Crop field Tanker delivers CO2 from plant to rig Coal power plant Oil rig Tree plantation CO2 is pumped down from rig for deep ocean disposal Abandoned oil field Crop field Switchgrass CO2 deposit CO2 is pumped down to reservoir through abandoned oil field Figure 20.15 Solutions: methods for removing carbon dioxide from the atmosphere or from smokestacks and storing (sequestering) it in plants, soil, deep underground reservoirs, and the deep ocean.

I was reminded of Canute's story when considering the latest Environmental Protection Agency numbers for cellulosic ethanol — a hoped - for alternative to corn - based ethanol made from switchgrass and wood chips.

The process entails growing trees and plants such as switchgrass that suck up carbon dioxide as they grow, burning them for energy in power plants, and then capturing and storing the CO2 released during the burning.

For several years the EPA has fined refiners for not purchasing and blending ethanol made from switchgrass, wood chips, and other fibrous, non-edible planFor several years the EPA has fined refiners for not purchasing and blending ethanol made from switchgrass, wood chips, and other fibrous, non-edible planfor not purchasing and blending ethanol made from switchgrass, wood chips, and other fibrous, non-edible plants.

The authors of the letter also say that some potential biofuel feedstock crops — including switchgrass and miscanthus — are perennials that sequester carbon into soil and thrive on land often not suitable for other crops.

No venture capitalist is going to build a cellulosic ethanol plant without a market for the ethanol, and a supply of wood chips, switchgrass, waste paper, corn stover....

Techniques for converting fast - growing, fibrous crops like poplar and switchgrass into fermentable sugars are still in development and are currently too expensive.

A study conducted this past year by David Tilman, an ecology professor at the University of Minnesota, had demonstrated the potential for polycultures of multiple grass, prairie and wildflower species to serve as an alternative to switchgrass in producing ethanol.

But if I said «x million tons of switchgrass», that has no meaning at all for most people.

Switchgrass production requires fossil fuel inputs for machinery used in establishment (soil preparation and seed sowing), cultivation, harvest, and transportation to the processing plant (Qin et al. 2006).

However, the President, a rancher, already knows it will soon be about acreage, not just to grow switchgrass, but for solar and wind as well.

For example, the natural tall grass prairie may well be more productive than even monoculture corn or switchgrass.

-- the assessment of the size and unavoidable consequences of the fire risk — for corn, for switchgrass, or any other large scale farmed fuel.