Real-World Vehicle Emissions: A Summary of the Third Annual CRC-APRAC On-Road Vehicle Emissions Workshop

Air & Waste ◽  
1993 ◽  
Vol 43 (8) ◽  
pp. 1084-1090 ◽  
Author(s):  
Steven H. Cadie ◽  
Robert A. Gorse ◽  
Douglas R. Lawson
2003 ◽  
Vol 53 (2) ◽  
pp. 152-167 ◽  
Author(s):  
Steven H. Cadle ◽  
Robert A. Gorse, Jr. ◽  
Brent K. Bailey ◽  
Douglas R. Lawson

2008 ◽  
Vol 58 (1) ◽  
pp. 3-11 ◽  
Author(s):  
Steven H. Cadle ◽  
Alberto Ayala ◽  
Kevin N. Black ◽  
R. Rob Graze ◽  
John Koupal ◽  
...  

2005 ◽  
Vol 55 (2) ◽  
pp. 130-146 ◽  
Author(s):  
Steven H. Cadle ◽  
Timothy C. Belian ◽  
Kevin N. Black ◽  
Fred Minassian ◽  
Mani Natarajan ◽  
...  

2006 ◽  
Vol 6 (3) ◽  
pp. 4689-4725 ◽  
Author(s):  
M. Zavala ◽  
S. C. Herndon ◽  
R. S. Slott ◽  
E. J. Dunlea ◽  
L. C. Marr ◽  
...  

Abstract. A mobile laboratory was used to measure on-road vehicle emission ratios during the MCMA-2003 field campaign held during the spring of 2003 in the Mexico City Metropolitan Area (MCMA). The measured emission ratios represent a sample of emissions of in-use vehicles under real world driving conditions for the MCMA. From the relative amounts of NOx and selected VOC's sampled, the results indicate that the technique is capable of differentiating among vehicle categories and fuel type in real world driving conditions. Emission ratios for NOx, NOy, NH3, H2CO, CH3CHO, and other selected volatile organic compounds (VOCs) are presented for chase sampled vehicles and fleet averaged emissions. Results indicate that colectivos, particularly CNG-powered colectivos, are potentially significant contributors of NOx and aldehydes in the MCMA. Similarly, ratios of selected VOCs and NOy showed a strong dependence on traffic mode. These results are compared with the vehicle emissions inventory for the MCMA, other vehicle emissions measurements in the MCMA, and measurements of on-road emissions in US cities. Our estimates for motor vehicle emissions of benzene, toluene, formaldehyde, and acetaldehyde in the MCMA indicate these species are present in concentrations higher than previously reported. The high motor vehicle aldehyde emissions may have an impact on the photochemistry of urban areas.


2006 ◽  
Vol 56 (2) ◽  
pp. 121-136 ◽  
Author(s):  
Steven H. Cadle ◽  
Timothy C. Belian ◽  
Kevin N. Black ◽  
Mark A. Carlock ◽  
R. Rob Graze ◽  
...  

1997 ◽  
Vol 47 (3) ◽  
pp. 426-438 ◽  
Author(s):  
Steven H. Cadle ◽  
Robert A. Gorse, Jr. ◽  
Timothy C. Belian ◽  
Douglas R. Lawson

1998 ◽  
Vol 48 (2) ◽  
pp. 174-185 ◽  
Author(s):  
Steven H. Cadle ◽  
Robert A. Gorse ◽  
Timothy C. Belian ◽  
Douglas R. Lawson

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