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Evaluating atmospheric pollutants from urban buses under real-world conditions: Implications of the main public transport mode in São Paulo, Brazil

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Evaluating atmospheric pollutants from urban buses under real-world conditions : Implications of the main public transport mode in São Paulo, Brazil. / Nogueira, Thiago; Dominutti, Pamela A.; Vieira-Filho, Marcelo; Fornaro, Adalgiza; de Fatima Andrade, Maria.

In: Atmosphere, Vol. 10, No. 3, 108, 01.03.2019.

Research output: Contribution to journal › Article

Harvard

Nogueira, T, Dominutti, PA, Vieira-Filho, M, Fornaro, A & de Fatima Andrade, M 2019, 'Evaluating atmospheric pollutants from urban buses under real-world conditions: Implications of the main public transport mode in São Paulo, Brazil', Atmosphere, vol. 10, no. 3, 108. https://doi.org/10.3390/atmos10030108

APA

Nogueira, T., Dominutti, P. A., Vieira-Filho, M., Fornaro, A., & de Fatima Andrade, M. (2019). Evaluating atmospheric pollutants from urban buses under real-world conditions: Implications of the main public transport mode in São Paulo, Brazil. Atmosphere, 10(3), [108]. https://doi.org/10.3390/atmos10030108

Vancouver

Nogueira T, Dominutti PA, Vieira-Filho M, Fornaro A, de Fatima Andrade M. Evaluating atmospheric pollutants from urban buses under real-world conditions: Implications of the main public transport mode in São Paulo, Brazil. Atmosphere. 2019 Mar 1;10(3). 108. https://doi.org/10.3390/atmos10030108

Author

Nogueira, Thiago ; Dominutti, Pamela A. ; Vieira-Filho, Marcelo ; Fornaro, Adalgiza ; de Fatima Andrade, Maria. / Evaluating atmospheric pollutants from urban buses under real-world conditions : Implications of the main public transport mode in São Paulo, Brazil. In: Atmosphere. 2019 ; Vol. 10, No. 3.

Bibtex - Download

@article{801703f3bebb4d3d9ddce5bd7155ac33,
title = "Evaluating atmospheric pollutants from urban buses under real-world conditions: Implications of the main public transport mode in S{\~a}o Paulo, Brazil",
abstract = "The broad expanse of the urban metropolitan area of S{\~a}o Paulo (MASP) has made buses, the predominant public transport mode for commuters in the city. In 2016, the bus fleet in the MASP reached 56,354 buses and it was responsible for more than 12 million daily trips. Here, we evaluate for the first time, the emission profile of gaseous and particulate pollutants from buses running on 7% biodiesel + 93% petroleum diesel and their spatial distribution in the MASP. This novel study, based on four bus terminal experiments, provides an extensive analysis of atmospheric pollutants of interest to public health and climate changes, such as CO2, CO, NOx, VOCs, PM10, PM2.5 and their constituents (black carbon (BC) and elements). Our results suggest that the renovation of the bus fleet from Euro II to Euro V and the incorporation of electric buses had a noticeable impact (by a factor of up to three) on the CO2 emissions and caused a decrease in NO emissions, by a factor of four to five. In addition, a comparison with previous Brazilian studies, shows that the newer bus fleet in the MASP emits fewer particles. Emissions from the public transport sector have implications for public health and air quality, not only by introducing reactive pollutants into the atmosphere but also by exposing the commuters to harmful concentrations. Our findings make a relevant contribution to the understanding of emissions from diesel-powered buses and about the impact of these new vehicular technologies on the air quality in the MASP.",
keywords = "Air quality, Biodiesel, Bus, Direct emissions, Metal, Vehicular emissions",
author = "Thiago Nogueira and Dominutti, {Pamela A.} and Marcelo Vieira-Filho and Adalgiza Fornaro and {de Fatima Andrade}, Maria",
note = "{\textcopyright} 2019 by the authors. Licensee MDPI, Basel, Switzerland.",
year = "2019",
month = mar,
day = "1",
doi = "10.3390/atmos10030108",
language = "English",
volume = "10",
journal = "Atmosphere",
issn = "2073-4433",
publisher = "Multidisciplinary Digital Publishing Institute",
number = "3",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Evaluating atmospheric pollutants from urban buses under real-world conditions

T2 - Implications of the main public transport mode in São Paulo, Brazil

AU - Nogueira, Thiago

AU - Dominutti, Pamela A.

AU - Vieira-Filho, Marcelo

AU - Fornaro, Adalgiza

AU - de Fatima Andrade, Maria

N1 - © 2019 by the authors. Licensee MDPI, Basel, Switzerland.

PY - 2019/3/1

Y1 - 2019/3/1

N2 - The broad expanse of the urban metropolitan area of São Paulo (MASP) has made buses, the predominant public transport mode for commuters in the city. In 2016, the bus fleet in the MASP reached 56,354 buses and it was responsible for more than 12 million daily trips. Here, we evaluate for the first time, the emission profile of gaseous and particulate pollutants from buses running on 7% biodiesel + 93% petroleum diesel and their spatial distribution in the MASP. This novel study, based on four bus terminal experiments, provides an extensive analysis of atmospheric pollutants of interest to public health and climate changes, such as CO2, CO, NOx, VOCs, PM10, PM2.5 and their constituents (black carbon (BC) and elements). Our results suggest that the renovation of the bus fleet from Euro II to Euro V and the incorporation of electric buses had a noticeable impact (by a factor of up to three) on the CO2 emissions and caused a decrease in NO emissions, by a factor of four to five. In addition, a comparison with previous Brazilian studies, shows that the newer bus fleet in the MASP emits fewer particles. Emissions from the public transport sector have implications for public health and air quality, not only by introducing reactive pollutants into the atmosphere but also by exposing the commuters to harmful concentrations. Our findings make a relevant contribution to the understanding of emissions from diesel-powered buses and about the impact of these new vehicular technologies on the air quality in the MASP.

AB - The broad expanse of the urban metropolitan area of São Paulo (MASP) has made buses, the predominant public transport mode for commuters in the city. In 2016, the bus fleet in the MASP reached 56,354 buses and it was responsible for more than 12 million daily trips. Here, we evaluate for the first time, the emission profile of gaseous and particulate pollutants from buses running on 7% biodiesel + 93% petroleum diesel and their spatial distribution in the MASP. This novel study, based on four bus terminal experiments, provides an extensive analysis of atmospheric pollutants of interest to public health and climate changes, such as CO2, CO, NOx, VOCs, PM10, PM2.5 and their constituents (black carbon (BC) and elements). Our results suggest that the renovation of the bus fleet from Euro II to Euro V and the incorporation of electric buses had a noticeable impact (by a factor of up to three) on the CO2 emissions and caused a decrease in NO emissions, by a factor of four to five. In addition, a comparison with previous Brazilian studies, shows that the newer bus fleet in the MASP emits fewer particles. Emissions from the public transport sector have implications for public health and air quality, not only by introducing reactive pollutants into the atmosphere but also by exposing the commuters to harmful concentrations. Our findings make a relevant contribution to the understanding of emissions from diesel-powered buses and about the impact of these new vehicular technologies on the air quality in the MASP.

KW - Air quality

KW - Biodiesel

KW - Bus

KW - Direct emissions

KW - Metal

KW - Vehicular emissions

UR - http://www.scopus.com/inward/record.url?scp=85063437414&partnerID=8YFLogxK

U2 - 10.3390/atmos10030108

DO - 10.3390/atmos10030108

M3 - Article

AN - SCOPUS:85063437414

VL - 10

JO - Atmosphere

JF - Atmosphere

SN - 2073-4433

IS - 3

M1 - 108

ER -

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