Sentences with phrase «emits about»

Industry officials say the average advanced coal plant currently emits about 1,800 pounds of carbon dioxide per megawatt hour.
The gas industry's leaders say they will descend on Capitol Hill in coming weeks to press their case about the advantage of gas, including that it emits about half the greenhouse gases as coal.
«Coal with carbon sequestration emits 60 - to 110 - times more carbon and air pollution than wind energy, and nuclear emits about 25 - times more carbon and air pollution than wind energy,» Jacobson said.
Corn ethanol emits about 20 percent fewer greenhouse gases than gasoline, but it requires more water, and it has raised the price of grain and food.
The mining process emits about 35 kg CO2 equivalent / barrel, and the upgrading process 45 kg CO2 equivalent / barrel, and the SAGD process 55 kg CO2 equivalent / barrel, (Bramley et al. 2005).
Electric Bike Beats Electric Scooter on Emissions, Easily When all the conversions are completed, from amp hours to kilowatt - hours, divided by average distance travelled per charge, and converted into pounds of CO2 using that average figure, the Ecobike Elagance emits about 0.02 pounds of CO2 per mile travelled; and the ZAP Zapfino emits 0.10 pounds of CO2 per mile.
Natural gas emits about half as much carbon dioxide per unit of energy as coal does.
Burned for power, gas emits about half as much carbon as coal.
California - based Virgin America (which is an entirely separate company than Virgin Atlantic, by the way...) has announced that it has become the first US airline to join The Climate Registry, committing to report all of its greenhouse gas emissions: Young Fleet Helps Lower Emissions Founded in 2007, Virgin Atlantic touts its fuel saving measures: It operates a very young fleet of aircraft (Airbus A320s) which on a fleet - wide basis means that Virgin America emits about 25 % fewer emissions than other domestic carriers on the routes it flies.
The average family in America emits about 20 tons per year; the Super Bowl private jets emit as much CO2 as 632 American families living for an entire year.
Shipping emits about as much greenhouse gases as Germany, and its emissions are projected to rise 250 percent by 2050 unless controls are imposed.
States are already devising plans to comply with the proposed carbon rules, and one of the most obvious and least expensive strategies is to replace coal with natural gas, which emits about half as much carbon.
For reference: the entire world emits about 36,000 MMT, so China's program alone will price about 13 percent of global emissions.
(For reference, the average American household emits about 7 tonnes of carbon dioxide per year.)
A typical advanced coal plant today emits about 1,800 pounds of carbon dioxide per hour compared with natural gas plants that emit around 800 pounds on average — less than the proposed new standards.
Coal, which generated 34 percent of U.S. power in the first five months of this year — down from 49 percent in 2007, emits about twice as much carbon as natural gas when burned.
As the world's second - biggest carbon polluter, the U.S. emits about 10 times as much greenhouse gas as Mexico, but Mexico's pledge could be the more significant of the two.
Natural gas, which burns cleaner than coal and emits about half as many greenhouse gases, was responsible for less than 19 percent of U.S. power generation.
In actuality the surface emits about 150 Watts per square meter (W / m2) more than goes out to space.
The average cross-country, round - trip flight emits about 6,000 pounds of carbon emissions.
Their study found that preproduction emissions «are not substantial contributors to the life cycle estimates» — making Marcellus Shale gas essentially the same as conventional natural gas, which emits about 50 percent fewer emissions than coal when used for power generation.
This has the effect that a Prius + with 7 persons in it emits about 1/4 of CO2 per person than an electric train.
By comparison, a vehicle certified to the Federal Tier 2 Bin 5 California LEV II emissions standards currently in effect emits about 29 pounds over the same 120,000 miles.
A NASA - led team of scientists thinks the star — which is about 10 times as massive as our sun and emits about 20,000 times as much energy — is a newly forming protostar.
(All human activity currently emits about 24 billion tons of CO2 a year.)
A 100 - watt incandescent bulb, in contrast, typically emits about 1,500 lumens.
But farmland in the Golden State emits about the same amount of certain pollution - forming gases as on - road vehicles, a new study shows.
Britain emits about 150 million tonnes of CO2 a year.
Look at it another way: A 747 passenger jet traveling from New York to London emits about 880,000 pounds of carbon dioxide.
Each of the 11 gamma ray bursters so far observed by the observatory emits about a 1000 times as much power as all the stars in the Milky Way combined.
The typical sector in Canada emits about 0.4 tonnes of greenhouse gases for each $ 1,000 produced — both directly and indirectly through the inputs they buy.
Carbon emissions have grown rapidly in the past decades, and humans emit about 10 petagrams of carbon per year.
Meanwhile, the roughly 33,000 airplanes that fly in and out of the airport each month emit about 800,000 tons of carbon dioxide.
The cosmic microwave background was emitted about 375,000 years later.
On Buddhist religious holidays, he found that the ritual burning of incense, tree limbs, herbs and huge piles of leaves emitted about 80 percent of the city's aerosol pollution, including a large amount of carcinogens.
In total, 1987A emitted about 1058 neutrinos.
Coal - burning power plants in the United States emit about 2.1 billion tons of carbon dioxide each year — nearly 17 percent of worldwide coal emissions — and finding technologies that reduce those emissions in the United States and China, which burns even more coal than we do, is crucial to combating global warming.
When the researchers placed the lattice in a vacuum heated to 1,250 degrees Celsius, they found that it converted radiation with an efficiency of 34 percent and emitted about 14 watts per square centimeter.
The top of the blanket remains cold and continues to emit about the same amount of infrared to space but below the blanket it gets warmer because it is more difficult for the heat to rise to the top.
Industrialized and developing nations emit about 2,000 tons of mercury into the atmosphere every year.
They were «frozen into» temperature patterns when the microwaves were emitted about 380,000 years later.
Small industry and businesses such as gas stations and dry cleaners, as well as home heating, emit about 39 % of all fine particulates.
So far, we have emitted about half this amount.
Until advanced coal - combustion technologies become widely available that allow CO2 to be captured and stored safely underground, the shift to coal is bad news for climate change because coal plants usually emit about twice the CO2 per kilowatt - hour of electricity that gas plants do.
In the study, we were concerned with the quantity of sulphur dioxide emissions, with numbers that are equally astonishing: In the beginning, the eruption emitted about eight times more sulphur dioxide per day than is emitted from all human - made sources in Europe per day.»
Together, these will emit about 54 megatonnes of CO2 per year, which Pahle says is roughly double what would have been emitted if gas - fired stations had been built instead.
A typical human emitted about 1 tonne of carbon dioxide annually 8000 years ago, compared to 2 to 3 tonnes today.
Human activities emit about two times as much sulfur dioxide into the atmosphere, according to co-author Vitali Fioletov, an atmospheric scientist at Environment and Climate Change Canada in Toronto, Ontario.
But with that see - saw battle going on in the tropics, the result was that overall, tropical forests» impact on atmospheric carbon dioxide was a wash - deforestation emitted about the same amount that was captured in forest growth.
However, a flare the size of a solar flare occurring on a red dwarf star (such as Groombridge 34 A or B) that is more than ten thousand times dimmer than our Sun would emit about as much or more light as the red dwarf itself, doubling its brightness or more.
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