Sentences with phrase «emissions than production»

«When taking into account that production of the far smaller batteries of plug - in hybrids is associated with less carbon dioxide emissions than production of the larger batteries of electric vehicles, their carbon dioxide balance is even better,» says Patrick Jochem of KIT's Institute for Industrial Production.

Not exact matches

The new frozen - food entrée tray reduces green house gas emissions by more than 45 percent during production, compared with CPET.
«The emissions factors used by Fonterra, FrieslandCampina and Arla are indeed less than the emissions factors provided by the FAO's GLEAM for their regions of production,» they continued.
I was under the impression, when recalling seminars from over a year ago, that cement production was higher on the list of CO2 emission causes than it really is (apparently).
Such so - called in situ production requires less water but far more energy to get the bitumen flowing, resulting in greenhouse gas emissions some 2.5 times higher than those from mining.
«Our four - year study suggests that AMP grazing can potentially offset greenhouse gas emissions, and the finishing phase of beef production could be a net carbon sink, with carbon levels staying in the green rather than in the red.»
Algae production consumes more energy, has higher greenhouse gas emissions and uses more water than other biofuel sources, like corn, switch grass and canola, Clarens and his colleagues found by using a statistical model to compare growth data of algae with conventional crops.
Peter Ryan's letter makes a good argument for taxing carbon emissions on the consumption rather than production of goods (22/29...
Coal - powered synthetic natural gas plants being planned in China would produce seven times more greenhouse gas emissions than conventional natural gas plants, and use up to 100 times the water as shale gas production, according to a new study by Duke University researchers.
Coal - powered synthetic natural gas plants being planned in China would produce seven times more greenhouse gas emissions than conventional natural gas plants, and use up to 100 times the water as shale gas production, according to a new study.
His team's work suggests that emissions from pneumatic controllers and other equipment at production wells is between 57 - 67 % higher than the current EPA estimate.
Environmental controls designed to prevent leaks of methane from newly drilled natural gas wells are effective, a study has found — but emissions from existing wells in production are much higher than previously believed.
Total annual production emissions, averaged over five years, would equal about 100 grams of carbon dioxide per megajoule — which is 7 percent greater than gasoline emissions and 62 grams above the 60 percent reduction in greenhouse gas emissions as required by the 2007 Energy Independence and Security Act.
A new study finds that methane emissions from shale gas production are nearly 50 times lower than previous estimates, improving the climate benefit of switching from coal to natural gas.
Global methane and ethane emissions from oil production from 1980 to 2012 were far higher than previous estimates show, according to a new study which for the first time takes into account different production management systems and geological conditions around the world.
One of the big takeaway from the big UT Austin / Environmental Defense Fund (EDF) methane leakage study released today is emissions rates are actually lower in some parts of the production process than initially thought.
«When it comes to life cycle greenhouse gas emissions, wind and solar energy provide a much better greenhouse gas balance than fossil - based low carbon technologies, because they do not require additional energy for the production and transport of fuels, and the technologies themselves can be produced to a large extend with decarbonized electricity,» states Edgar Hertwich, an industrial ecologist from Yale University who co-authored the study.
Electricity production from biomass, coal, gas and hydropower for instance induces much higher indirect greenhouse gas emissions than nuclear electricity, or wind and solar - based power supply.»
Emissions of CO2 by human activities, including fossil fuel burning, cement production, and gas flaring, amount to about 27 billion tonnes per year (30 billion tons)-LSB-(Marland, et al., 2006)-- The reference gives the amount of released carbon (C), rather than CO2, through 2003.].
Each year more than a quarter of global CO2 emissions from burning fossil fuels and cement production are taken up by the Earth's oceans.
Raymond Pierrehumbert, an Oxford University atmospheric physics professor who believes cutting carbon dioxide emissions is more urgent than cutting methane emissions, said Howarth's research offers little new information about the role of natural gas production in global warming.
Considering that electricity production generates more than 1.9 billion metric tons of carbon dioxide emissions a year, a simple flick of the switch is a good start.
For instance, total greenhouse gas emissions from textiles production, at 1.2 billion tonnes annually, are more than those of all international flights and maritime shipping combined.
The new engine doesn't actually go into production until September, so Peugeot is reluctant to release finalised emissions and economy data, only saying the new 1.5 will be four to six per cent more efficient than its 88kW 1.6 - litre predecessor.
The production car, set to launch until the end of the decade, will be only the first of four electric Mercedes models with other three zero emissions models planned beyond 2020: another sedan slotted between the C and the E-Class, plus two SUVs, one bigger than the GLC and one placed above the GLE.
Volkswagen already has a turbocharged diesel engine that uses a catalyst to produce lower exhaust emissions and fuel consumption than any other automotive diesel in production.
But with combined city / highway fuel economy of more than 63 mpg (U.S.) and a CO2 emission rating of just 159 grams per mile, it will be among the company's most frugal production cars.
Research shows that the production of meat products for consumption produces double the amount of emissions than growing vegetables produces.
~ 13 times less than land use changes (3.4 gigatons) ~ 11.5 times less than light - duty vehicles (3.0 gigatons) ~ 5.3 times less than concrete production (1.4 gigatons) ~ 2 dozen 1000 MW coal - fired power plants (2 % of the world's coal - fired electrical generation) Or, roughly the same CO2 emissions as Pakistan, Kazakhstan, Poland or South Africa.
With 100 % wind energy from Green Mountain, we have now reduced our GHGs more than 1/2, maybe more than 3/4 from our 1990 emissions (also counting water & products, which entail GHGs in their production).
Their conclusion is that upstream emissions are low, 0.42 % of natural gas production (lower than we estimated for shale gas back in our April 2011 paper, and towards the low end of what we estimated for conventional natural gas).
The information I could find on US bioethanol is not encouraging — according to a recent University of Berkley study (see here Source: http://rael.berkeley.edu/EBAMM/FarrellEthanolScience012706.pdf), US bioethanol has 13 % less greenhouse gas emissions than diesel or petrol, because of the energy intensive refining process, the energy input to farming, and fertilizer production and use.
Howarth: Our study bolsters recent smaller - scale studies that hinted that methane emissions associated with energy production may be higher than previously estimated.
Despite the fact that livestock production contributes more greenhouse gas emissions than the entire transport sector, there is an appalling unwillingness to change eating habits in order to make a difference.
That said, reducing emissions by blocking the pipeline would likely be far more costly (primarily in terms of higher world oil prices but also, potentially, in terms of reduced Bakken production) than almost any other emissions - cutting approach that serious people contemplate.
Reusing paper could reduce emissions by 50 to 80 percent over paper recycling, which, while far better from an emissions and resource - use perspective than new paper production, still uses a lot of energy, water and chemicals to get the job done.
The critical question is: Given the current extent of U.S. natural gas production — and the fact that production is projected to expand by more than 50 percent in the coming decades — are we doing everything we can to ensure that emissions are as low as is technologically and economically feasible?
And yet Norway continues to plan for new production, with proposed expansions that contain 150 % more greenhouse gas emissions than already committed through existing projects.»
In addition, studies show that methane emissions are higher for hydraulic fracturing of shale gas than conventional natural gas production.
They add: «Direct air capture could become a major industry if the technology matures and prices drop dramatically... Direct air capture might require much less land [than other negative emissions techniques], but entail much higher costs and consumption of a large fraction of global energy production.
While the greenhouse gas footprint of the production of other foods, compared to sources such as livestock, is highly dependent on a number of factors, production of livestock currently accounts for about 30 % of the U.S. total emissions of methane.316, 320,325,326 This amount of methane can be reduced somewhat by recovery methods such as the use of biogas digesters, but future changes in dietary practices, including those motivated by considerations other than climate change mitigation, could also have an effect on the amount of methane emitted to the atmosphere.327
Because so little energy is required to cultivate crops such as switchgrass for cellulosic ethanol production, and because electricity can be co-produced using the residues of such cellulosic fuel production, reductions in greenhouse gas emissions for celluslosic ethanol when compared to gasoline are greater than 100 per cent.
To achieve the maximum climate benefits of bioenergy in terms of greenhouse gas emissions avoided, the amount of carbon dioxide released during biomass production, processing, transportation and use should be equal to or smaller than the amount that was absorbed by the harvested biomass.
discounting the final consumption phase of the life - cycle assessment (which can contribute up to 70 % -80 % of Well - to - Wheel emissions), Well - to - Tank (i.e., «production») GHG emissions are, on average, 72 % -111 % higher for Canadian oil sands crude than for the weighted average of transportation fuels sold or distributed in the United States;
When an electric car rolls off the production line, it's already been responsible for more than 25,000 pounds of carbon - dioxide emission.
Methane emissions from 1990 - 2015 associated with the natural gas industry declined by 18.6 percent as U.S. natural gas production increased by more than 50 percent
Tar sands oil is one of the dirtiest fossil fuels in commercial production today and produces three to five times more climate changing emissions than conventional crude oil.
This report found that direct measurements of methane emissions from 190 onshore natural gas sites in the United States indicate that methane emissions from completed wells are are lower than commonly thought although the report also acknowledged that emissions from pneumatic controllers and other equipment associated with natural gas production facilities were higher than previously estimated.
This is followed by the claim that to avoid things like reduced agricultural production and several meters of rise in sea level, «our net annual emissions of CO2 must be reduced by more than 50 percent within this century.»
And as the Natural Resources Defense Council's Max Baumherner noted, the study used estimates for production emissions that are three times higher than those from Argonne National Laboratory, which perhaps explains why other studies have found greater environmental benefits from electric cars.
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