Sentences with phrase «in aircraft emissions»

Parametric uncertainties in aircraft emissions and concentration - response functions are propagated throughout the analysis, along with estimates of modeling uncertainty.

Not exact matches

Soon after the delay to the decision was announced by Hoon last Christmas, the Miliband and Benn camps both contacted the Institute for Public Policy Research, over a pamphlet by Simon Retallack, the IPPR's head of climate change, arguing that the third runway should not go ahead unless the government required aircraft using it to meet the aviation industry's own targets to cut carbon dioxide emissions and noise in new aircraft by 50 % and nitrogen oxides by 80 % by 2020.

8 In fact, a 2009 Stanford University study claims that clouds created by aircraft emissions triggered an overall rise in surface temperatures of 0.03 to 0.06 degree Celsius worldwidIn fact, a 2009 Stanford University study claims that clouds created by aircraft emissions triggered an overall rise in surface temperatures of 0.03 to 0.06 degree Celsius worldwidin surface temperatures of 0.03 to 0.06 degree Celsius worldwide.

They are a vital ingredient in lightweight alloys for aircraft and in catalysts to process crude oil and clean exhaust emissions.

According to the EPA, from 1990 to 2005 greenhouse emissions from military aircraft slid by 50 percent but those from commercial carriers rose by 16 percent, largely due to growth in the number of carriers.

When Greene began analyzing emissions from the aviation sector in the 1980s, «the consensus was there really wasn't a role for biofuels in aircraft — let alone hydrogen,» he says.

In fact, they might have contributed to more global warming so far than all aircraft greenhouse gas emissions put together.

But future aircraft designs routinely flying during the 2030's may look very different from today's airliners in order to deliver on the promises of reduced fuel burn, noise and emissions.

Monitoring network lacks funding NOAA scientists whose observations were used in the study said the research showed the importance of the set of towers and aircraft measurements that monitor greenhouse gas emissions.

Aircraft emissions probably play a crucial role in ozone destruction by fuelling the formation of polar stratospheric clouds.

The EPA had been under pressure from environmental groups who first petitioned it to regulate aircraft emissions under the Clean Air Act in 2007 and sued it in 2010.

Industry expansion plans could see aircraft emissions increase three or fourfold by 2040, says Annie Petsonk of the Environmental Defense Fund in Washington DC.

(1) continue to actively promote, within the International Civil Aviation Organization, the development of a global framework for the regulation of greenhouse gas emissions from civil aircraft that recognizes the uniquely international nature of the industry and treats commercial aviation industries in all countries fairly; and

In the longer term, other clean hydrocarbon fuels are also likely to be important for cutting emissions from aircraft, shipping and long - distance freight vehicles that are more difficult to electrify.

Analyses of the ground and aircraft data performed by Setyan et al. (2012), Shilling et al. (2013), and Kleinman et al. (2016) showed that organic aerosol production increased when human - caused emissions from Sacramento mixed with air rich in isoprene, an organic compound wafting from many plants that originate in the area's foothills.

Performance Based Navigation (PBN) procedures save aircraft fuel and time, increase traffic flow, and result in fewer carbon emissions, by enabling more precise and efficient paths for aircraft to follow.

Changes in a variety of other factors such as operating procedures, aircraft routing, and load factors can also have significant impacts on greenhouse gas emissions per passenger mile.

This is a well - established methodology, pushed to constrain US anthropogenic emissions by including measurements from aircraft and communications towers in addition to the ever - invaluable NOAA flask sample network, and incorporating socioeconomic and industrial data.

Airlines Cut Flights and Planes to Save Fuel Airlines Save Gas By Slowing Down, Just Like Drivers Efficient Modern Turboprop Aircraft Are Making a Comeback Perhaps Flying Turboprop Isn't Dying Turboprops Get Ecolabel More on Alternatives to Flying Seat 61: Get There Without Flying Eurostar to Cut Emissions 25 % and Offset the Rest Spain's New High - Speed Rail Challenging the Airlines High - Speed Rail Comes to the Americas CA High - Speed Rail Initiative: «If We Don't Pass This, We Will Never Have High - Speed Trains in the US»

The American Lung Association supports emissions requirements for aircraft that are comparable in stringency to other mobile source emissions standards and supports measures, including regulation, to reduce aviation emissions.

In recent years, climate activists have pushed the International Civil Aviation Organization to introduce stricter emissions standards for aircraft.

Carrying passengers along busy routes in larger aircraft to allow the lowering of frequency along that route would do far more to reduce carbon emissions than simply flying in a slightly more efficient way.

The report also considers how potential changes in aircraft technology, air transport operations, and the institutional, regulatory, and economic framework might affect emissions in the future.

Emissions were calculated from the information in the ICAO Engine Exhaust Emissions Data Bank (ICAO, 1995), through the use of Boeing «Method 2» procedures (Baughcum et al., 1996b, Appendix D), which allow extrapolation of sea - level data in the ICAO data bank to the operating altitudes and temperatures encountered throughout the aircraft flight profile.

Long and Iles (1997) point to the US Department of Transportation's Climatic Impact Assessment Program (aimed not at the greenhouse effect but aircraft emissions) for producing, in 1975, «the first assessment to focus on social and economic measures,» (p. 6) and the 1989 US Environmental Protection Agency study as «the first extensive appearance of an economic analysis of impacts.»

In fulfilling its responsibilities, the Organization developed a range of standards, policies and guidance material for the application of integrated measures to address aircraft noise and emissions embracing technological improvements, operating procedures, proper organization of air traffic, appropriate airport and land - use planning, and the use of market - based options.

Though ground and aircraft sensors provide the most accurate measurements of carbon monoxide for a localized area, satellites offer the best way to monitor wildfire emissions over broad regions, particularly in remote areas where there are fewer ground - based instruments.

The category «National Total» does not include emissions resulting from fuel sold for use in ships or aircrafts engaged in international transport (international bunker fuel emissions).

Emissions from fuel used in ships or aircraft engaged in international transport are not included here.

Many scientists believe for a variety of reasons, that the GHG emissions created in the upper atmosphere, such as from aircraft, are worse than GHG's emitted on the ground level.

ICAO's activities in the environment field are primarily focused on those problems that benefit most from a common co-ordinated approach, on a worldwide basis, namely aircraft noise and emissions.

International Bunkers Emissions resulting from fuel use in ships or aircrafts engaged in international transport.

-- In establishing standards applicable to emissions of greenhouse gases pursuant to this section and sections 202 (a), 213 (a)(4) and (5), and 231 (a), the Administrator may establish provisions for averaging, banking, and trading of greenhouse gas emissions credits within or across classes or categories of motor vehicles and motor vehicle engines, nonroad vehicles and engines (including marine vessels), and aircraft and aircraft engines, to the extent the Administrator determines appropriate and considering the factors appropriate in setting standards under those sectionIn establishing standards applicable to emissions of greenhouse gases pursuant to this section and sections 202 (a), 213 (a)(4) and (5), and 231 (a), the Administrator may establish provisions for averaging, banking, and trading of greenhouse gas emissions credits within or across classes or categories of motor vehicles and motor vehicle engines, nonroad vehicles and engines (including marine vessels), and aircraft and aircraft engines, to the extent the Administrator determines appropriate and considering the factors appropriate in setting standards under those sectionin setting standards under those sections.

Most scientific studies track methane in one of two ways: either by measuring the gas in the atmosphere with instruments placed on tall towers or flown on aircraft, or by analyzing emissions directly at the source, such as at oil and gas wells.

If both CORSIA and the Vision for the Future are successful in all of their commitments, total emissions from civilian aircraft in 2050 would still be approximately 70 % of today's current levels.

This is consistent with ICAO's push to cap global emissions of civil aircraft at 2020 levels, as specified in its Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA), that requires offsets for every year that an airline operator exceeds emissions from 2019 - 2020 levels.

In October 2017, ICAO released their Vision for the Future, which aims to reduce lifecycle emissions from aircraft by 33 % of 2020 levels by 2050.

ICAO guidelines should be stricter and lay out a more formal strategy for individual nations, airline operators, and aircraft manufactures to collaborate in this venture of reducing aircraft emissions.

ICAO is certainly on the right path, as it recognized emissions as an issue in the aircraft industry and acted to implement positive change.

Potential GHG emissions reductions from efficiency improvements on new vehicle designs in 2030 compared with today range from 40 — 70 % for LDVs, 30 — 50 % for HDVs, up to 50 % for aircraft, and for new ships when combining technology and operational measures, up to 60 %.

The EPA continued to drag its feet even after a judge found, in 2011, that it was mandated to study the effects of aircraft emissions; at the beginning of August, two groups, the Center for Biological Diversity and Friends of the Earth, notified the agency of their intention to sue for a second time over its «unreasonable delay.»

Now that it's finally gotten started, the EPA's first step will be to issue an «endangerment finding,» to be proposed in April 2015 and finalized a year later, that will determine whether aircraft emissions threaten human health.

(Sec. 753) Requires the EPA Administrator and the Administrator of the Federal Aviation Administration (FAA) to study and report to Congress on: (1) the impact of aircraft emissions on air quality in nonattainment areas; (2) ways to promote fuel conservation measures for aviation; and (3) opportunities to reduce air traffic inefficiencies that increase fuel burn and emissions.

Nicola Stuber, first author of the study, to be published in tomorrow's edition of the journal Nature, suggests that contrails» overall impact on climate change is similar in scope to that of aircrafts» carbon dioxide (CO2) emissions over a hundred - year period.

Among the glaring omissions in the agreement is its failure to tackle the ever - growing emissions from shipping and aircraft.

As both the House and the Senate grapple with proposed carbon - cutting measures — carbon taxes and «cap - and - trade» schemes for big CO2 emitters such as coal - fired power plants; increased Corporate Average Fuel Economy (CAFE) standards for cars, SUVs, and trucks; and mandatory set - asides for clean renewable energy in the mix of energy generation options — emissions from aircraft seem, at least for the time being, to have gone over the heads of most policymakers engaged in the rush to cut carbon emissions.

This, despite the fact that the European Union is threatening to penalize US and other foreign aircraft if they emit CO2 in Europe's airspace, another harbinger of future pressure expected to be placed on the carbon - intensive US by the international community to reduce its per capita greenhouse gas emissions.

Rep. Ed Markey, Chairman of the House Select Committee on Energy Independence and Global Warming, has taken notice of FAA's recalcitrance to address emissions from aircraft honestly and directly (in part due to his notice of the CSW July report), and has sent a letter [PDF] to the FAA Administrator requesting responses to four specific questions.

In a conversation about EU policy on restricting CO2 emissions from aircraft, on BBC Radio 4's Today program, this morning, Caroline Lucas, Green MEP for the Southeast region said

This exclusion is ridiculous, not least because aircraft emissions have a particular role in heating the planet, due to the height at which they are released, and the multiplying impacts of the water vapour and other gases the planes produce.