Trends in onroad transportation energy and emissions

HC Frey - Journal of the Air & Waste Management Association, 2018 - Taylor & Francis
ABSTRACT Globally, 1.3 billion on-road vehicles consume 79 quadrillion BTU of energy,
mostly gasoline and diesel fuels, emit 5.7 gigatonnes of CO2, and emit other pollutants to …

Volatile chemical products emerging as largest petrochemical source of urban organic emissions

BC McDonald, JA De Gouw, JB Gilman, SH Jathar… - Science, 2018 - science.org
A gap in emission inventories of urban volatile organic compound (VOC) sources, which
contribute to regional ozone and aerosol burdens, has increased as transportation …

Diurnal Variability and Emission Pattern of Decamethylcyclopentasiloxane (D5) from the Application of Personal Care Products in Two North American Cities

MM Coggon, BC McDonald, A Vlasenko… - … science & technology, 2018 - ACS Publications
Decamethylcyclopentasiloxane (D5) is a cyclic volatile methyl siloxane (cVMS) that is widely
used in consumer products and commonly observed in urban air. This study quantifies the …

Considering the future of anthropogenic gas-phase organic compound emissions and the increasing influence of non-combustion sources on urban air quality

P Khare, DR Gentner - Atmospheric Chemistry and Physics, 2018 - acp.copernicus.org
Decades of policy in developed regions has successfully reduced total anthropogenic
emissions of gas-phase organic compounds, especially volatile organic compounds (VOCs) …

[HTML][HTML] Volatile organic compounds at a rural site in Beijing: influence of temporary emission control and wintertime heating

W Yang, Y Zhang, X Wang, S Li, M Zhu… - Atmospheric …, 2018 - acp.copernicus.org
While residential coal/biomass burning might be a major and underappreciated emission
source for PM 2.5, especially during winter, it is not well constrained whether burning solid …

Causes and consequences of decreasing atmospheric organic aerosol in the United States

DA Ridley, CL Heald, KJ Ridley… - Proceedings of the …, 2018 - National Acad Sciences
Exposure to atmospheric particulate matter (PM) exacerbates respiratory and cardiovascular
conditions and is a leading source of premature mortality globally. Organic aerosol …

Modeling ozone in the Eastern US using a fuel-based mobile source emissions inventory

BC McDonald, SA McKeen, YY Cui… - Environmental …, 2018 - ACS Publications
Recent studies suggest overestimates in current US emission inventories of nitrogen oxides
(NO x= NO+ NO2). Here, we expand a previously developed fuel-based inventory of motor …

Southeast Atmosphere Studies: learning from model-observation syntheses

J Mao, A Carlton, RC Cohen, WH Brune… - Atmospheric …, 2018 - acp.copernicus.org
Concentrations of atmospheric trace species in the United States have changed dramatically
over the past several decades in response to pollution control strategies, shifts in domestic …

Size distribution of vehicle emitted primary particles measured in a traffic tunnel

X Li, TR Dallmann, AA May, CO Stanier… - Atmospheric …, 2018 - Elsevier
Total and size-resolved concentrations and emission factors are used to compare fleet-
averaged vehicle emissions in Pittsburgh, PA in 2002 and 2014. Winter-time traffic tunnel …

Ultrafine, fine, and black carbon particle concentrations in California child‐care facilities

FW Gaspar, R Maddalena, J Williams, R Castorina… - Indoor …, 2018 - Wiley Online Library
Although many US children spend time in child care, little information exists on exposures to
airborne particulate matter (PM) in this environment, even though PM may be associated …