We suggest that the same experiments recommended in items 1 to 5 include measurement of nitric
oxide emissions as well as nitrous oxide emissions.
For the past ten years the plant has been operating without the level of emissions controls to limit sulfur dioxide and nitrogen
oxide emissions as stipulated in the Clean Air Act.
Not exact matches
As the world began to learn in September, when the U.S. Environmental Protection Agency issued a shocking «notice of violation,» the vehicles met emissions standards for dangerous oxides of nitrogen, known collectively as NOx, only when running their paces in an artificial, indoor lab settin
As the world began to learn in September, when the U.S. Environmental Protection Agency issued a shocking «notice of violation,» the vehicles met
emissions standards for dangerous
oxides of nitrogen, known collectively
as NOx, only when running their paces in an artificial, indoor lab settin
as NOx, only when running their paces in an artificial, indoor lab setting.
As a result testers got one outcome — a diesel - powered car that met all the EPA's
emissions requirements — while VW owners got another: a more powerful vehicle that spewed out up to 35 times more nitrogen
oxide, an air pollutant, than standards allow.
Combining the generation data, project location, and eGRID
emissions factor, NEC estimated the amount of carbon dioxide, methane, and nitrous
oxide (measured together
as metric tons of CO2 Eq.)
Reduction of non-carbon dioxide (CO2)
emissions from industrialized agriculture systems, such
as methane (CH4) and nitrous
oxide (N2O)
A research of Universidad Politécnica de Madrid (UPM) and Universitat Politècnica de València (UPV) has shown that the inclusion of agroindustrial by - products in pig feed can reduce the nitrous
oxide emissions (N2O) of the slurry used
as manures up to 65 %.
«These effects include wasted resources, foregone revenue and outsized
emissions of carbon dioxide
as well
as local pollutants such
as sulfur
oxides and nitrogen
oxides.
Experts on greenhouse - gas
emissions tell me that every time my car burns a gallon of gasoline, I am putting more than 25 pounds of carbon dioxide into the atmosphere
as well
as a smaller amount of methane, nitrous
oxide, and various other toxic gases.
A 16 - year study was used for robust estimates of the yield potential on organically managed crop land in southern Wisconsin
as well
as nitrous
oxide and methane
emissions and soil carbon.
The precursors of acid rain formation result from both natural sources, such
as volcanoes and decaying vegetation, and human - made sources, primarily
emissions of sulfur dioxide and nitrogen
oxide resulting from fossil fuel combustion.
Heavy - duty vehicles, such
as commercial trucks and buses, were found to be, by far, the largest contributor of
emissions, accounting for 76 percent of the total excess nitrogen
oxide emissions.
I criticized this statement, noting that the actual
emissions from U.S. coal - burning power plants declined only from 16.1 million tons to 12.4 million tons between 1980 and 1998 in the case of sulfur dioxide and from 6.1 million tons to 5.4 million tons between 1980 and 1998 in the case of nitrogen
oxides (mostly emitted
as NO, not NO2, but by convention measured
as tons of NO2 - equivalent).
The policy document also set new targets for the closure of coal - fired heating systems
as well
as the installation of equipment to reduce sulfur dioxide and nitrogen
oxide emissions at power stations, steel mills and cement plants.
These bed filters and hydrous manganese
oxide technologies are expected to reduce the naturally occurring radioactive materials generated during the removal of radioactivity by 90 %,
as well
as cutting treatment costs and greenhouse gas
emissions.
A new heat - exchanger system to capture and recycle waste heat from oxy - fuel furnaces could cut process CO2
emissions by 30 % and nitrous
oxide emissions by 90 %,
as well enhancing thermal efficiency and significantly reducing operating costs.
ref A key strategy to address ocean acidification is reinforcing existing environmental laws (e.g., U.S. Clean Water Act) to: limit runoff and associated pollutants, control coastal erosion, and enforce
emission limits for pollutants such
as nitrogen
oxide and sulfur
oxide.
But the courts haven't always struck down EPA
emissions trading programs — such
as the trading program for nitrogen
oxides — and when they have disqualified programs, it was either because agencies failed to follow proper procedure (
as was the case with a Bush - era mercury rule that eased requirements on power plants) or because specific statutory goals were not followed (
as was the case in the Clean Air Interstate Rule, which wouldn't have necessarily reduced all interstate pollution).
The EPA has found that the defeat devices allowed real - world
emissions for nitrogen
oxide, a pollutant that's been linked to asthma and other respiratory problems, to reach
as high
as 40 times the legal limit under the Clean Air Act.
Like most of today's clean diesels, nitrous
oxide emissions are reduced by means of a Selective Catalyst Reduction after - treatment system, which uses urea - based Diesel Exhaust Fluid (DEF)
as a cleaning agent.
However, the diesel won't cross the pond in the same specification available in Europe,
as the SkyActiv - D powerplant has to be tweaked to meet the more stringent U.S. regulations for nitrogen
oxide emissions.
Voigt et al (2016) «Warming of subarctic tundra increases
emissions of all three important greenhouse gases — carbon dioxide, methane, and nitrous
oxide» The research (now reported fully bar the detailed experimenting in Voigt 2018) applies only to peatlands and concludes that N2O
emissions as an issue requiring reappraisal.
A series of 37 «eco-billboards» touting the fact that the Mirai's «only
emission is water» (at least at the proverbial tailpipe,
as there are definitely
emissions other than water associated with hydrogen fuel cells and any new car) will be installed with Clear Channel Outdoor Americas, and these billboards are said to remove nitrogen
oxides (NOx) from the air.
For example, just
as you can buy, sell and trade the rights to emit sulfur
oxides (SOx) and nitrogen
oxides (NOx) in the US, the EU's
Emissions Trading Scheme (EU - ETS) lets you do the same for carbon dioxide.
The total warming from methane, nitrous
oxide and aerosol
emissions were each estimated from climate model simulations driven by historical forcing pathways for each gas, and were allocated to individual countries
as described in section 2.
Here in Arizona, the EPA is proposing to reduce harmful nitrogen
oxide (NOx)
emissions from the Navajo Generating Station (NGS), a coal plant that is one of the largest sources of NOx
emissions in the U.S.
as well
as from the Apache, Coronado, Sundt, and Cholla generating stations.
However, the corresponding rise in carbon - dioxide (CO2)
emissions of around 0.2 % in 2030 is more than offset
as reducing the biomass used for cooking provides a net reduction in greenhouse - gas
emissions, which would save the equivalent of around 165 Mt of carbon - dioxide equivalent from methane and nitrous
oxide.
Utility industry officials say they're already making major efforts to cut traditional pollution
emissions, such
as sulfur dioxide and nitrous
oxide.
We can not avoid some level of warming caused by the heat - trapping
emissions already present in the atmosphere, some of which (such
as carbon dioxide and nitrous
oxide) last for 100 years or more.
We could not find any studies in western Canada which compared - nitrous
oxide emissions from pulse crops such
as lentils, peas or chick peas, with nitrous
oxide emissions from cereals such
as spring wheat.
These include a significant investment in refining infrastructure and technology to manufacture clean fuels,
as well
as projects to monitor and reduce nitrogen
oxide, sulfur
oxide and greenhouse gas
emissions, and expenditures for asset retirement obligations.
Nitrogen fertilisation is however a main contributor to increased nitrous
oxide (N2O)
emissions, a very potent greenhouse gas (per century 298x
as potent
as CO2) and which — under accelerating growth — has just reached a concentration of 323.2 ppb.
At the same time, fertilisers used to boost yields of palm oil plants in converted landscapes, such
as Sumatra, are causing significant nitrous
oxide emissions.
These experiments would compare nitrous
oxide emissions from pulse crops such
as peas and lentils with nitrous
oxide emissions from cereals such
as wheat and barley.
Experiments are recommended for western Canada to confirm that deep banding of N fertilizer,
as is commonly used by actual farms employing zero till, reduces nitrous
oxide emissions compared to surface incorporation.
A recent Canadian study of the nation - wide
emissions of greenhouse gases from agricultural activities used nitrous
oxide emissions factors which indicated that nitrous
oxide emissions from anhydrous ammonia and ammonium phosphate were from four to five times
as high
as those from urea or ammonium nitrate.
Other new techniques of applying nitrogen fertilizers, such
as nesting the nitrogen fertilizer, may in future also become common, and their nitrous
oxide emissions will need to be measured.
A study this January showed that global industrial nitrogen
oxide emissions declined from 2005 to 2014, even
as farm
emissions boomed.
Facilities that fall under the CAA for major
emissions of non-greenhouse gases such
as sulfur dioxide or nitrous
oxide may be required to take steps to control not only these pollutants, but also greenhouse gas
emissions.
As for greenhouse gases, it currently only covers carbon dioxide
emissions, with the exception of the Netherlands, which has opted in
emissions from nitrous
oxide.
But China also emits a significant amount of GHGs besides carbon dioxide — methane, nitrous
oxide, hydrofluorocarbons (HFCs), perfluorocarbons, sulfur hexafluoride and nitrogen trifluoride — collectively referred to
as non-CO2 GHG
emissions.
IMO regulations to reduce sulphur
oxides (SOx)
emissions from ships first came into force in 2005, under Annex VI of the International Convention for the Prevention of Pollution from Ships (known
as the MARPOL Convention)..
This relationship between cumulative
emissions and warming is not perfect,
as it will change based on what happens to non-CO2 greenhouse gases, such
as methane and nitrous
oxide,
as well
as how quickly climate - cooling aerosols are reduced.
The traffic - related nitrogen
oxide emissions in the Federal Republic of Germany have fallen sharply since the introduction of the
emission limitation for road traffic in 1960 up until today and a further reduction by a total of 86 % in maximum
emissions is expected in the future
as well [58].
The $ 30 million overhaul was made without installing,
as required under the New Source Review requirements of the Clean Air Act, the best available technology to minimize
emissions of sulfur dioxide and nitrogen
oxides — pollutants that harm human health by contributing to heart attacks, breathing problems, and other health problems, the suit alleges.
The Abstract described significant reductions in
emissions of the greenhouse gases Carbon Dioxide, Nitrous
Oxide, and Methane that could be accomplished by reducing the amount of Bituminous Coal used
as energy for processing pulps in the manufacture of fiber - loaded newsprint.
There is an opportunity
as well to address nitrous
oxide and methane
emissions.
The reliability of supply provided by our nation's network of storage and distribution facilities has contributed to the increased use of natural gas in many sectors of the U.S. economy, which has led to reductions in air
emissions — ranging from criteria pollutants, such
as sulfur dioxide and nitrogen
oxides, to greenhouse gases.
Backed by 20 countries — and predictably, opposed by countries that still rely heavily on coal (Figure 1)-- the BREF includes new
emission limits, expressed
as wide, ambiguous ranges, for sulfur dioxides (SOx), nitrogen
oxides (NOx), mercury, and particulate matter.
We used the US Environmental Protection Agency's (EPA's) detailed CMAQ model to project
emissions for sulfur dioxide and nitrogen
oxides to calculate changes in air quality under each scenario in 2020 compared to business
as usual.