Articles with "emission factors" as a keyword



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Mutagenicity and carcinogenicity of combustion emissions are impacted more by combustor technology than by fuel composition: A brief review

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Published in 2022 at "Environmental and Molecular Mutagenesis"

DOI: 10.1002/em.22475

Abstract: Studies during the past 50 years have characterized the carcinogenicity and mutagenicity of extractable organic material (EOM) of particulate matter (PM) in ambient air and from combustion emissions. We have summarized conclusions from these studies and… read more here.

Keywords: orders magnitude; combustion; mutagenicity; span orders ... See more keywords
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Contextualized re-calculation of enteric methane emission factors for small ruminants in sub-humid Western Africa is far lower than previous estimates

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Published in 2018 at "Tropical Animal Health and Production"

DOI: 10.1007/s11250-018-1775-4

Abstract: Given the projected growth of methane emission by ruminants in developing countries, there is a clear need for reliable estimates of their contribution to greenhouse gas emissions. Existing studies have rarely considered sheep and goats.… read more here.

Keywords: enteric methane; methane emission; emission factors; small ruminants ... See more keywords
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Spatial-temporal variability of indirect nitrous oxide emissions and emission factors from a subtropical river draining a rice paddy watershed in China

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Published in 2021 at "Agricultural and Forest Meteorology"

DOI: 10.1016/j.agrformet.2021.108519

Abstract: Abstract Indirect nitrous oxide (N2O) emissions from rivers draining agricultural watersheds are of increasing concerns due to riverine abundant sources of nitrogen loaded through leaching and runoff. However, the seasonal variation of N2O emissions from… read more here.

Keywords: emission factors; nitrous oxide; indirect n2o; n2o emissions ... See more keywords
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Characteristics of the real-driving emissions from gasoline passenger vehicles in the Kuala Lumpur urban environment

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Published in 2020 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2020.09.004

Abstract: Abstract Emission factors (EFs) are empirical functions that envisage the amount of an emitted pollutant based on travel activity and vehicle characteristics. This paper aims to estimate on-road gaseous emission factors of gasoline passenger vehicles… read more here.

Keywords: emission factors; passenger vehicles; real driving; gasoline passenger ... See more keywords
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Field Determination of Multipollutant, Open Area Combustion Source Emission Factors with a Hexacopter Unmanned Aerial Vehicle.

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Published in 2017 at "Atmospheric environment"

DOI: 10.1016/j.atmosenv.2017.07.046

Abstract: An emission sensor/sampler system was coupled to a National Aeronautics and Space Administration (NASA) hexacopter unmanned aerial vehicle (UAV) to characterize gases and particles in the plumes emitted from open burning of military ordnance. The… read more here.

Keywords: hexacopter unmanned; emission factors; unmanned aerial; aerial vehicle ... See more keywords
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Particulate mass and number emission factors for road vehicles based on literature data and relevant gap filling methods

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.09.010

Abstract: Abstract This work presents a new set of exhaust particulate emission factors for light and heavy duty vehicles and different driving conditions (urban, rural and highway). The emission factors, building upon COPERT methodology, are expressed… read more here.

Keywords: particulate mass; mass number; emission factors; emission ... See more keywords
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Evaluation of emission factors for light-duty gasoline vehicles based on chassis dynamometer and tunnel studies in Shanghai, China

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.09.020

Abstract: Abstract CO, THC, NOx, and PM emission factors of 51 light-duty gasoline vehicles (LDGVs) spanning the emission standards from Euro 2 to Euro 5 were measured by a chassis dynamometer. High frequencies of high-emitting vehicles… read more here.

Keywords: gasoline vehicles; emission factors; light duty; factors light ... See more keywords
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Sugarcane burning emissions: Characterization and emission factors

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Published in 2018 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2018.09.013

Abstract: Abstract Open burning of sugarcane (Saccharum officinarum) has a large impact in regional atmospheric pollution and global climatic change. In this research, pollutant emissions from sugarcane residues burning were measured in order to determine the… read more here.

Keywords: sugarcane burning; carbon; emission factors; emissions characterization ... See more keywords
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Impact of Mileage on Particle Number Emission Factors for EURO5 and EURO6 Diesel Passenger Cars

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Published in 2021 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2020.117975

Abstract: Abstract Air quality is a growing concern worldwide because of its impacts on both the environment and the human health. The road transport sector is a major contributor to this poor air quality. To reduce… read more here.

Keywords: emission factors; emission; number emission; diesel passenger ... See more keywords
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Emissions of carboxylic acids, hydrogen cyanide (HCN) and isocyanic acid (HNCO) from vehicle exhaust

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Published in 2021 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2021.118218

Abstract: Abstract Organic acids play important roles in the atmosphere by contributing to formation of secondary organic aerosol (SOA), cloud condensation nuclei (CCN), and rainwater acidity. Vehicle emissions can be an important source of organic acids… read more here.

Keywords: emission factors; hnco; organic acids; carboxylic acids ... See more keywords
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Source profiles and emission factors of VOCs from solvent-based architectural coatings and their contributions to ozone and secondary organic aerosol formation in China.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.129815

Abstract: Volatile organic compounds (VOCs) from solvent-based architectural coatings (SBACs) play an important role in photochemical air pollution with increasing consumption of architectural coatings in China. In this study, we collected 148 typical SBACs of 3… read more here.

Keywords: architectural coatings; paint; emission factors; solvent ... See more keywords