Mulva likes gas less for its green qualities, more because gas reserves are easier to secure and help the company replace its declining oil production.
Much of this wedge is being driven by activists who oppose all fossil fuels and lobbyists for other energy sources eager to make natural gas less competitive.
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It could use less gas, resulting in less carbon emissions.
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Mitchell intends to use the fracking technology on old wells that produced gas at less-than-commercial rates--expecting to goose out higher gas volumes.
Plants take in carbon dioxide, and when the atmosphere is relatively rich in this gas, less effort is needed.
While both coal and gas play important roles in our energy future, and there is another agenda to regulate coal-fired power plants out of existence, the claim is contrary to the well-accepted fact that the greenhouse gas impacts of burning natural gas are less than coal.
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The agency also suggested that high coal prices combined with a drop in natural gas prices saw nations replace coal with less polluting gas-powered electricity generation.
Even if shale gas does not live up to expectations in Europe, the continent is already benefiting from it: as America imports less gas than expected, that helps bolster supplies and reduce prices for Europeans.
Its immense shale-gas potential might make it even less willing to pay up, inclining it to depend less on pipeline gas and to take the risk that it can smooth out ebbs and flows through spot markets.
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And if both America and China, the biggest energy consumers, become less dependent on the Middle East for gas, they are less likely to fall out over securing resources from the region.
That discourages the use of less carbon-intensive fuels, such as natural gas (gas emits 40% less CO2 than coal for every calorie it produces).
The weather matters a lot to Enron -- warm weather means less gas sold.
If you want people to use less gas then raise the price of it by increasing taxation on it.
Equally important, the hydrogen-impregnation technique requires far less gas than the oxygen-based one.
If the price of gasoline increased by 50 percent overnight, many people would find a way to use less gas.
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Still, the MIT report points out that shale-gas extraction uses less water than other industries, and indeed than other sources of energy.
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Maybe, but the unseen here may well be that Americans drive more, thus increasing their "footprint, " thanks to ownership of cars that drink less gas.
This saving is more than paid for by the value of the saved generating capacity, so the net cost of saving the gas itself is less than zero.
With cheaper natural gas will come less expensive transportation costs.
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Gas is much less polluting than coal, so carbon dioxide (CO2) emissions have fallen in the US. But European power generators have gobbled up the resulting cheap coal, driving carbon emissions up in several nations.
The Geological Survey report, said Patrick Creighton, a spokesman for the Marcellus Shale Coalition, an industry group, found that oil and gas activity affected less than 1 percent of the forest area in Allegheny and Susquehanna counties.
In the first five and a half months of 2011, Canadian energy companies sold a total of 231 million barrels of oil and gas reserves, less than half the 482 million barrels sold in the same period in 2010.
Simply put, this groundbreaking program will result in vehicles that use less gas, travel farther, and provide more efficiency for consumers than ever before all while maintaining safety, protecting the air we breathe, and laying the groundwork for automakers to create jobs, develop advanced technologies, and improve quality of life for America's families.
In February the Environmental Protection Agency (EPA) concluded that ethanol emits 20% less greenhouse gas than petrol.
Electric-power generation, transportation, industry, agriculture, and residential sectors all emitted less greenhouse gas in 2009 than in 2008.
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In real terms, gas costs 51% less than it did at the height of OPEC power in 1980.
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