Sentences with phrase «from fuel wood»
First, biological wastes such as residues of crop products, trimmings from harvested trees, and carbon dioxide emitted from fuel wood or fossil fuel combustion are all included within Ecological Footprint accounts.
https://www.earthday.org/ Not exact matches
Modern satellites can reveal large - scale deforestation, but generally miss degradation from careless logging or fuel wood gathering, because these practices tend to leave the forest canopy intact.
Or such fuels can be made from waste: corn stalks, leftover wood from timber production or even city garbage.
While biofuels from crops, grasses, wood, agricultural residues and other materials emit less carbon than fossil fuels over a crop - to - vehicle life cycle, recent studies have questioned the availability of material to make fuels on a large scale.
Even if fuels from agricultural waste, wood, grasses and household trash are the greenest transportation option available, manufacturers have yet to produce them with any commercial success.
Until then Range Fuels will source its wood chips from whole trees — not a waste product at all, but a commodity used to make paper pulp.
It was the height of the last ice age, and survival required desperate measures — especially from those in Eurasia, where food and wood fuel ran low.
In large parts of the developing world, people have abundant heat from the sun during the day, but most cooking takes place later in the evening when the sun is down, using fuel — such as wood, brush or dung — that is collected with significant time and effort.
«In the Southeast there is enough biomass from wood products alone to make 10 to 15 billion gallons of fuel a year,» says Mitch Mandich, CEO of Range Fuels, based in Broomfield, Colorado, the firm building what may be the first U.S. plant to make next - generation ethanol commercially.
This shift from cool to warm in the North Atlantic has already had an impact; this past year at least 89,000 individual fires burned 9.5 million acres in the western U.S. Worse yet, forest management practices that have increased the number of trees in western woods — as well as relatively wet preceding decades — have put in place an abundance of fuel for future fires.
One of Church's most promising projects is to engineer bacteria that can produce jet fuel or gasoline from wood pulp or cornstalks.
Europe depends heavily on wood - based fuels to meet its goal of sourcing 20 percent of its power from renewable sources by 2020.
The biodigester - sanitation systems also provide a fuel source in a place where only about 10 percent of the population has access to electricity, and about 70 percent of the energy used comes from wood and charcoal, which costs around 25 - 50 percent of a household's income.
The researchers incorporated information on soot produced by burning fossil fuels, wood and other biofuels, along with that naturally produced by forest fires and then checked their model predictions against global measurements of soot levels in polar snow from Sweden to Alaska to Russia and in Antarctica as well as in nonpolar areas such as the Tibetan Plateau.
Could cellulosic biofuels — or liquid energy derived from grasses and wood — become a green fuel of the future, providing an environmentally sustainable way of meeting energy needs?
Fortunately for the case of using wood for cooking many remote villages are benefitting from solar cooking ovens to reduce reliance on wood as a fuel source.
«Cost competitive, energy responsible cellulosic ethanol made from switchgrass or from forestry waste like sawdust and wood chips requires a more complex refining process but it's worth the investment,» Energy Secretary Samuel Bodman said at the Range Fuels facility groundbreaking in November.
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.
The organic matter in soils, sediments, and water may come from decomposed land plants, dead plankton (tiny marine animals and plants), or burned wood or fossil fuels, and it offers clues about Earth's past and present environments.
Believed to be the world's first alternative jet fuel produced from wood, the fuel meets international ASTM (American Society for Testing and Materials) standards, allowing it to be used safely for today's commercial flight.
Gevo, Inc., a NARA partner, successfully adapted its patented technologies to convert cellulosic sugars derived from wood waste into renewable isobutanol, which was then converted into Gevo's Alcohol - to - Jet (ATJ) fuel.
Industrial Revolution A period of time beginning around 1750 marked by new manufacturing processes and a switch from wood to coal and other fossil fuels as a main source of energy.
Industrial Revolution A period of time in the early 1800s marked by new manufacturing processes and a switch from wood to coal and other fossil fuels as a main source of energy.
About 18 percent of all human - made carbon dioxide emissions — or nearly 8.5 billion tons each year — comes from the burning of forests, savannahs and wood chips for fuel, said Mark Jacobson, a civil and environmental engineering professor at Stanford and the study's main author.
100 - Hour Time - lag Fuels are «dead fuels consisting of round wood in the size range of 1 to 3 inches in diameter and, very roughly, the forest floor from three quarters of an inch to four inches below the surface.&rFuels are «dead fuels consisting of round wood in the size range of 1 to 3 inches in diameter and, very roughly, the forest floor from three quarters of an inch to four inches below the surface.&rfuels consisting of round wood in the size range of 1 to 3 inches in diameter and, very roughly, the forest floor from three quarters of an inch to four inches below the surface.»
10 - Hour Time - lag Fuels are «dead fuels consisting of round wood in the size range of one quarter to one inch in diameter and, very roughly, the layer of litter extending from just below the surface to three - quarters of an inch below the surface.&rFuels are «dead fuels consisting of round wood in the size range of one quarter to one inch in diameter and, very roughly, the layer of litter extending from just below the surface to three - quarters of an inch below the surface.&rfuels consisting of round wood in the size range of one quarter to one inch in diameter and, very roughly, the layer of litter extending from just below the surface to three - quarters of an inch below the surface.»
Good for discussing sustainable resource use, fuel - wood crisis, energy and health - 2 million die prematurely every year from smoke from cooking fires!
Charles from Uganda makes stoves like these to reduce his use of fuel wood from forests (they use 1/3 of the wood that an open fire needs) and keep his kitchen area safe for his children.
Reviews: * Plenty of smooth, easily accessible power from the standard V8 engine; fuel economy is surprisingly good if you can practice restraint; roomy interior is finished in top - shelf materials like diamond - stitched leather, ash wood trim and aluminum accents.
1967 LOTUS ELAN S3 S / E FHC... Carnival Red with Black leather, Desirable Type 36 Special Equipment model, 1558cc Lotus Twin - Cam engine with 4 - speed close ratio gearbox, Equipped with E / windows, Mota - Lita wood rim steering wheel, Webber carburettors, Correct Green cam covers, High torque starter motor, Alloy radiator, Alloy fuel tank, S / E badges, Stainless steel side trims, Wing mounted indicators, Stainless steel exhaust system, Lotus Knock - on wheels, Original UK RHD example, Just 7,000 miles since total nut & bolt restoration including new galvanized Chassis from Lotus Heritage Dealer Paul Matty, Complete with comprehensive history including a full detailed restoration file, Much recent expenditure.
There aren't many SUV models we can name that come in variants ranging from fuel - sipping diesel through tire - shredding HEMI V - 8, or from bare - bones cloth interiors through premium leather with real wood trim.
Originally ordered by Air Force Captain, Ed Hartenberger, from Japanese dealer, Mitsawa Motors in December of 1958 in Ruby Red, with notable Carrera options, such as 400 mm wood - rimmed steering wheel, GT 80 liter fuel tank, GT brakes, and the all new plain bearing 692/2 1600 engine.
Corvette Racing will use this renewable high - octane fuel, which is made primarily from wood waste, in the upcoming ALMS Acura Sports Car Challenge of St. Petersburg on April 5.
MULLINER FEATURES AVAILABLE SEPARATELY FOR BOTH MODELS: • Mulliner alloy fuel filler cap • Exterior paint match service to customer specification • Exterior paint colour from Arnage range • Contrast stitching to seats and door panels • Cross-stitching to seats and door panels (in contrast) • Embossed «BENTLEY» to seat facings • Choice of premium veneers — Chestnut and Olive Ash • Fascia panels available in bright or dark tint * aluminium • 4 - spoke wood and hide - trimmed multi-function steering wheel (choice of veneers — Burr Walnut, Chestnut, Dark Stained Burr Walnut, Madrona, Piano Black) • Lambswool rugs • Deep - pile carpet mats with hide trimming to front and rear footwells (matched to carpet) • Boot carpet to match interior carpet
A team from the wPOWER Hub at the Wangari Maathai Institute paid a visit to Cookswell Jikos, a small Kenyan owned hybrid business that provides quality charcoal and wood fueled stoves to the market, to discover how the business is providing sustainable solutions to the challenges facing the charcoal industry in Kenya.
An old wood burning stove fuelled with well seasoned firewood and pinecones gathered from the garden provides welcome warmth — even in the summer months the nights are cool in this mountainous region.
With its wood burning stove fuelled with wood from the estate, Wild Eyedeer can be warm and cosy, whilst being extremely spacious providing a comfortable, light, airy and well - equipped stay.
Most carbon life cycle analysis, using published computer simulations, show that the emissions given off by trying to contain fire actually exceed those from the fire itself given in order to influence fire behavior fossil fuels are used to drive logging trucks, operate machinery, air tankers, and transport wood products, including biomass to fuels.
We can fuel cars with methanol from destructive distillation of wood (or from wood syngas).
Even lignin (wood) might be convertible one day, if this cellulose from soft wood industry becomes a major player in our fuel and other technologies.
Others have further elaborated on the carbon implications of various forms of bioenergy, from corn ethanol to crop residue cellulosic fuels to wood bioenergy.
KiOR's biorefinery in Columbus, Mississippi started commercial production in March using wood chips to produce cellulosic fuels, and Ineos just announced on July 31 that their Indian River BioEnergy plant in Florida has begun operations to make biofuels from plant waste.
Therefore they substantially reduce fuel consumption and greenhouse gas emissions through the reduced amount of fuel wood use from non-renewable biomass.
Well, at least in North America it was largely fueled by wood from trees at first.
But the results from projects like the Nyabyeya biomass energy plant are renewing interest in wood and biomass as larger scale energy sources, and an alternative to fossil fuels.
We are blessed with abundant wood resources that provide more than 2/3 of all potentially available biomass, including forest residue from timber harvests and forest thinning that improves forest health by reducing fuel loads on eastside dry land forests.
Biochar depends upon cooking wood and grasses to gain fuel from their volatile compounds, while the charcoal residue is buried in the soil.
The largest single demand on trees — the need for fuel — accounts for just over half of all wood removed from forests.
By replacing animal and human muscle and low - density energy sources like wood, dung, and other biofuels, and low - density, intermittent wind and solar, fossil and nuclear fuels have freed people from the basic tasks of survival to devote time and bodily energy to other occupations.
The poorest — the 1.3 billion in developing countries who depend on wood and dried dung as primary cooking and heating fuels, smoke from which kills 4 million and temporarily debilitates hundreds of millions every year — will be condemned to more generations of poverty and its deadly consequences.