Sentences with phrase «dioxide per unit»

1Coal combustion emits almost twice as much carbon dioxide per unit of energy as does the combustion of natural gas, whereas the amount from crude oil combustion falls between coal and natural gas, according to Energy Information Administration, Emissions of Greenhouse Gases in the United States 1985 - 1990, DOE / EIA -0573 (Washington, DC, September 1993), p. 16.

Natural gas emits about half as much carbon dioxide per unit of energy as coal does.

China has said it will try to voluntarily reduce its emissions of carbon dioxide per unit of economic growth — a measure known as «carbon intensity» — by 40 to 45 percent by 2020, compared with 2005 levels.

Natural gas emits less carbon dioxide per unit of energy than coal.

Natural gas, when extracted and burned without leakage, produces about half the carbon dioxide per unit of energy produced compared to coal.

Burning natural gas, for example, produces half as much carbon dioxide per unit of energy as burning coal.

Not exact matches

But there's a good chance society will jump to the most abundant fuel around: Coal, which emits 25 to 50 percent more carbon dioxide per energy unit than petroleum, according to the Energy Information Administration.

«This means that the amount of carbon dioxide it releases per unit of usable energy that it produces is half that of what a conventional engine emits.»

The current five - year plan, covering 2011 to 2015, requires the country to reduce the carbon dioxide emitted per unit of GDP by 17 per cent by 2015.

In the six major economies assessed individually, carbon dioxide emissions per unit of electricity production falls by about 40 % between 2010 and 2030 and renewable electricity becomes the dominant source of electricity production at about 36 % of the electricity mix.

The coastal ecosystems of mangroves, seagrass meadows and tidal marshes mitigate climate change by sequestering carbon dioxide (CO2) from the atmosphere and oceans at significantly higher rates, per unit area, than terrestrial forests (Figure 1).

Plants are color coded (red is bad) based on the amount carbon dioxide emissions created per unit of electricity.

A standardized unit of measure, the global warming index (GWI) namely the grams of carbon dioxide equivalent per megajoule of fuel delivered to the vehicle (gCO2e / MJ) is to be reported, adjusted, of course, for differences in the in - use energy efficiency of different fuels (e.g., gasoline versus diesel, versus natural gas or hydrogen).

He then described Mr. Bush's chosen way of measuring progress — by tracking the amount of carbon dioxide emissions per unit of gross domestic product (tons per dollar)-- and said the country was on track to reach Mr. Bush's goal, set in 2002, of an 18 percent drop in greenhouse «intensity» by 2012.

The concentration of carbon dioxide is given in units of parts per million by volume, also abbreviated ppmv.

China sets 2020 targets to raise non-fossil fuel's share of primary energy consumption to 15 percent, and to reduce carbon dioxide emissions per unit of GDP by 40 to 45 percent compared to 2005 levels.

China has announced it will reduce its carbon dioxide emissions per unit of GDP by between 40 and 45 % of 2005 levels by 2020.

Today, the State Council announced that China will commit to reduce its carbon dioxide emissions per unit of GDP, or carbon intensity, by 40 to 45 percent of 2005 levels by 2020.

As part of that accord, China pledged to increase the share of non — fossil fuels in its energy mix to around 20 percent and to lower carbon dioxide emissions per unit of GDP by 60 percent to 65 percent of 2005 levels.

Emissions coefficient: A unique value for scaling emissions to activity data in terms of a standard rate of emissions per unit of activity (e.g., pounds of carbon dioxide emitted per Btu of fossil fuel consumed).

We would have to develop new technologies that use energy more efficiently, emit less carbon per unit of energy, remove carbon from the atmosphere, and / or reduce the harm done by carbon dioxide.

-- The qualifying emissions for a merchant coal unit for a given calendar year shall be the product of the number of megawatt hours of merchant coal unit sales generated by such unit in such calendar year and the average carbon dioxide emissions per megawatt hour generated by such unit during the base period under paragraph (2), provided that the number of megawatt hours in a given calendar year for purposes of such calculation shall be reduced in proportion to the portion of such unit's carbon dioxide emissions that are either --

They found that the carbon dioxide emissions per unit of China's Gross Domestic Product decreased by 27 percent from 2004 to 2015 and that coal consumption in the country decreased by 6.5 percent between 2013 and 2015.

* Here GHG emissions refer to Scope 1 and 2 emissions, as defined in the Greenhouse Gas Protocol, expressed as tonnes carbon dioxide equivalent (t CO2e) per unit of gross value added (GVA).

The reduction in emissions of carbon dioxide per new unit of non-hydro «renewable» capacity falls off rapidly as additional «renewable» capacity is added to an electric grid because additional fossil fuel sources must be kept in «spinning reserve» in case the wind dies or the sun goes under a cloud unless hydro is available.

If each such unit were to capture one ton of carbon dioxide per day, then Broecker estimates that 100 million units would be required to capture the 32 billion tons of carbon dioxide produced annually from fossil fuel combustion.

China may achieve its goal of reducing the carbon intensity of its economy (the ratio of carbon dioxide emissions per unit of output) by 45 percent below its 2005 level by 2020.

The former director of the WA Government's sustainability policy unit, Peter Newman, wants to introduce a tax of $ 13 per tonne of carbon dioxide produced.

Moreover, when you then convert the three gases to a comparable unit based on their potential to warm the planet over a 100 - year time frame, the planet's biosphere works out to be a net source of greenhouse gases, causing a warming comparable to the effect of between 3.8 and 5.4 billion tons of carbon dioxide emissions per year.