Vehicle emissions as an important urban ammonia source in the United States and China

K Sun, L Tao, DJ Miller, D Pan… - Environmental …, 2017 - ACS Publications
Ammoniated aerosols are important for urban air quality, but emissions of the key precursor
NH3 are not well quantified. Mobile laboratory observations are used to characterize fleet …

On-road ammonia emissions characterized by mobile, open-path measurements

K Sun, L Tao, DJ Miller, MA Khan… - Environmental science & …, 2014 - ACS Publications
Ammonia (NH3) is a key precursor species to atmospheric fine particulate matter with strong
implications for regional air quality and global climate change. NH3 from vehicles accounts …

Ammonia emissions from a representative in-use fleet of light and medium-duty vehicles in the California South Coast Air Basin

C Livingston, P Rieger, A Winer - Atmospheric Environment, 2009 - Elsevier
We used Fourier Transform Infrared Spectroscopy (FTIR) to measure tailpipe ammonia
emissions from a representative fleet of 41 light and medium-duty vehicles recruited in the …

Ammonia emission measurements for light-duty gasoline vehicles in China and implications for emission modeling

C Huang, Q Hu, S Lou, J Tian, R Wang… - … science & technology, 2018 - ACS Publications
Motor vehicle ammonia (NH3) emissions have attracted increasing attention for their
potential to form secondary aerosols in urban atmospheres. However, vehicle NH3 emission …

Vehicular Ammonia Emissions Significantly Contribute to Urban PM2.5 Pollution in Two Chinese Megacities

Y Wang, Y Wen, S Zhang, G Zheng… - … science & technology, 2023 - ACS Publications
Ammonia (NH3) plays a vital role in the formation of fine particulate matter (PM2. 5). Prior
studies have primarily focused on the control of agricultural NH3 emissions, the dominant …

The importance of vehicle emissions as a source of atmospheric ammonia in the megacity of Shanghai

Y Chang, Z Zou, C Deng, K Huang… - Atmospheric …, 2016 - acp.copernicus.org
Agricultural activities are a major source contributing to NH 3 emissions in Shanghai and
most other regions of China; however, there is a long-standing and ongoing controversy …

On-road emissions of ammonia: An underappreciated source of atmospheric nitrogen deposition

ME Fenn, A Bytnerowicz, SL Schilling… - Science of the Total …, 2018 - Elsevier
We provide updated spatial distribution and inventory data for on-road NH 3 emissions for
the continental United States (US) On-road NH 3 emissions were determined from on-road …

Improvement of a global high-resolution ammonia emission inventory for combustion and industrial sources with new data from the residential and transportation …

W Meng, Q Zhong, X Yun, X Zhu, T Huang… - … science & technology, 2017 - ACS Publications
There is increasing evidence indicating the critical role of ammonia (NH3) in the formation of
secondary aerosols. Therefore, high quality NH3 emission inventory is important for …

[HTML][HTML] Quantifying the importance of vehicle ammonia emissions in an urban area of northeastern USA utilizing nitrogen isotopes

WW Walters, M Karod, E Willcocks… - Atmospheric …, 2022 - acp.copernicus.org
Atmospheric ammonia (NH 3) is a critical component of our atmosphere that contributes to
air quality degradation and reactive nitrogen deposition; however, our knowledge of NH 3 in …

Evaluation and improvement of ammonia emissions inventories

W Battye, VP Aneja, PA Roelle - Atmospheric Environment, 2003 - Elsevier
Two case studies are performed to improve ammonia emissions inputs used to model fine
particulate matter (PM2. 5 is the portion of particulate matter smaller than 2.5 μm …