Sentences with phrase «percent less coal»

That simple change allows new plants to generate the same amount of electricity with 30 percent to 40 percent less coal.
It was then used to power very big and inefficient steam engines that pumped water out of mines; when James Watt developed his steam engine that used 75 percent less coal than the Newcomen engine it replaced, the common thinking was that the increased efficiency meant that they would burn less coal.

Not exact matches

RICHMOND, Va. (AP)-- Dominion Energy Virginia said Tuesday that it plans to build at least eight new natural gas - fired plants during the next 15 years, cementing its shift away from coal, while depending on renewables for less than 10 percent of its energy capacity.
GREG WARREN: With coal fired and natural gas plants continuing to generate around two thirds of the nation's electricity and renewables accounting to less than 10 percent, there remains plenty of room for growth.
In fact, much of the overall decrease in energy consumption can be traced to the shift from coal to gas, because modern gas - fired plants may use up to 46 percent less energy to produce the same amount of electricity.»
And burning natural gas releases 43 percent less CO2 than burning coal.
Robert Finkelman, a former USGS coordinator of coal quality who oversaw research on uranium in fly ash in the 1990s, says that for the average person the by - product accounts for a miniscule amount of background radiation, probably less than 0.1 percent of total background radiation exposure.
In addition, geothermal power plants have energy efficiencies of just 8 to 15 percent, less than half that of coal plants.
Keeping in mind the enormous stake that panel members ExxonMobil and Shell have in the oil, natural gas and coal industries, here is a look at the panel's take on why oil and coal have been so difficult to replace by the following alternative energy sources: Natural gas ExxonMobil favors boosting the U.S.'s consumption of natural gas, in part, because it produces at least 50 percent less greenhouse gas per hour when burned compared with coal, Nazeer Bhore, ExxonMobil senior technology advisor, said during the panel.
Of the coal ash produced, less than.02 percent is recycled for agriculture production, Li said, making it one of the least used byproducts of coal combustion.
«With less than 5 percent of world population, the U.S. uses one - third of the world's paper, a quarter of the world's oil, 23 percent of the coal, 27 percent of the aluminum, and 19 percent of the copper,» he reports.
A new report by the U.S. Energy Information Administration found that U.S. coal use is down 29 percent compared to 2007 levels, and nearly every state is using less of the environmentally destructive resource.
The oil sands are still a tiny part of the world's carbon problem — they account for less than a tenth of one percent of global CO2 emissions — but to many environmentalists they are the thin end of the wedge, the first step along a path that could lead to other, even dirtier sources of oil: producing it from oil shale or coal.
This proven technology has helped shift more electricity generation to natural gas, which emits less nitrogen oxides, sulfur dioxide, mercury and more than 50 percent less carbon dioxide than coal.
The United States clearly is using less coal: Domestic consumption fell by about 114 million tons, or 11 percent, largely due to a decline in the use of coal for electricity.
In 2016, 17 states produced 10 percent or less of their generation from coal (compared to nine states 10 years ago in 2007 and 16 states in 2015).
The share of natural gas is expected to exceed 25 percent by 2040, while the share of coal falls to less than 20 percent.
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.
Since coal consumption has actually declined by 6 percent since its peak in 1996, however, there is reason to believe its use will either continue to drop or will increase less than projected.
Renewables are about 1/3 the price of nuclear, half that of coal, and 10 - 20 percent less than gas in the U.S.
According to the NEA, in the first three quarters of 2017, coal consumption in China reached 2.81 billion metric tons, an increase of less than 1 percent from 2016.
Electricity generators have chosen natural gas for its affordability and reliability, often replacing coal - fired power plants and emitting up to 56 percent less greenhouse gases than coal for the same amount of electricity.
Even if coal consumption increased by 3 percent to 3.90 billion tons in 2017 as the Global Carbon Project report said, it is still far less than the 4 billion tons in 2015, let alone challenging the 4.24 billion tons peak in 2013.
About half of this reduction is due to differing carbon intensities of the fuels (natural gas emits 40 percent less carbon than coal per unit of heat).
And in China, wind power — despite accounting for less than 3 percent of electricity generation — recently overtook nuclear to become the country's third largest power source after coal and hydropower.
The authors found that wells in the Marcellus region emit 20 percent to 50 percent less greenhouse gases than coal used to produce electricity.
In reality, Ohio uses less natural gas (5 percent) for electricity generation and more coal (82 percent) compared to the national average according to data from the Energy Information Administration.
Two - thirds of Walmart's rooftop solar is located in places where coal makes up less than 20 percent of the electricity these stores pull from the local grid.
Coal's share of global electricity generation is projected to decline from about 40 percent in 2016 to less than 30 percent in 2040.
Although the United States leads the world in coal reserves, less than 10 percent of the U.S. coal produced last year was exported.
Less than 1 percent, about 4.4 million metric tons, was steam coal bound for Asia, but that marked a dramatic 438 percent increase over 2009.
The report also found that burning natural gas generated far less damage than coal, although still significant: a sample of 498 natural gas fueled plants (71 percent of gas - generated electricity) produced $ 740 million in total nonclimate damages in 2005.
Nicholas Akins, chief executive of AEP, one of the nation's largest carbon dioxide emitters, said that his company is already producing 21 percent less CO2 than it did in 2005 and that it plans to retire another 6,600 megawatts of coal plants by late 2015 that will bring it to a level 25 percent below 2005.
Most of the plants are over 40 years old or 400 megawatts or less, which makes up about 30 percent of PJM's current coal fleet.
It charges a slowly rising fee on fossil fuel producers at the entry point to our economy (coal mine, gas / oil well or import terminal) but then returns 100 percent of the fee (less administrative costs) back to all consumers equally via a monthly dividend check.
The push for renewables in Iowa makes a difference, as the state continues to rely on coal as the primary fuel for generating electricity, at more than 45 percent, while wind supplies 37 percent, and solar panels produce less than 1 percent, according to the U.S. Energy Department.
Although hydrogen generates about 62,000 Btu per pound, it accounts for only 5 percent or less of coal and not all of this is available for heat because part of the hydrogen combines with oxygen to form water vapor.
(21) The other industrial sector accounted for 8 percent of total coal consumption in 1992, slightly less than in 1980.
Coal is the worst offender, a dirty energy source that produces less than half our electricity but nearly 80 percent of all power plant carbon emissions.
Coal used to produce coke is virtually all bituminous in rank; less than 1 percent is anthracite.
Cutting methane leakage rates from natural gas systems to less than 1 percent of total production would ensure that the climate impacts of natural gas are lower than coal or diesel fuel over any time horizon.
When all these emissions are counted, gas may be as little as 25 percent cleaner than coal, or perhaps even less.
Coal is expected to fall to less than 30 percent in 2040 from approximately 40 percent in 2016.
Illinois's power plants have reduced their carbon dioxide emissions by 3 percent between 2005 and 2012, mostly by using more natural gas and renewables and less coal.
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