Harikishan C Perugu PhD., TE., PTP Air Resources Engineer/Scientist Air Quality Planning and Science Division California Environmental Protection Agency
Harikishan Perugu Research and Teaching seminar
Truck Models
Based on Spatial Regression
Applied by State Agency
Truck Contribution to Urban Air quality
Used by Local Planning Agency
Temperature Sensitive Gridded Traffic Emissions for Photo Chemical Models
Revamping US-EPA’s MOVES Model for Light Duty Vehicle Emission Modeling
Harikishan Perugu Research and Teaching semina r
Research Topic:
Revamping US-EPA MOVES Model for India
Harikishan Perugu Research and Teaching seminar
Traffic Emissions in India
No comprehensive mobile source models available
E.g. IVE, COPERT, VAPI
Traffic emissions are majority and complex
Emission models provide emissions (CO,VOC/TOG, NOx,SOx, PM)
Emission Models need activity data : speed, driving cycles
US-EPA released MO bile V ehicle E mission S imulator (MOVES) for transportation emissions
Relatively easy to modify for different countries
Successfully used in Mexico and modifying for use in Hong Kong
http://www.thehansindia.com/posts/index/Telangana/2015-11-14/Pollution-in-Hyderabad-affects-the-cost-of-living/186475
Harikishan Perugu Research and Teaching seminar
Harikishan Perugu Research and Teaching seminar
Local Meteorology
Modified Indian Driving Cycle
Local Vehicle age and Fuel data
Base Emission Rates
for New Vehicles
Local Driving Cycles
Local Emission Rates
Base Emission Rates for Old Vehicles
Harikishan Perugu Research and Teaching seminar
Data Collection Routes in Hyderabad
Harikishan Perugu Research and Teaching seminar
Test Driving Cycles
Real-world Driving Cycles
Harikishan Perugu Research and Teaching seminar
2-wheeled motor cycles have CO emission rates of 1.18 gm/km, Bharat Stage II (1.5 gm/km )
Indian emission rates have quite apparent exponential relationship with average vehicle speeds with R2higher than 0.85
Harikishan Perugu Research and Teaching seminar
Operational Street Pollution Model was used to simulate dispersion of pollutants
Validation results showed R2values of 0.656 and 0.648 for CO and NOx, respectively
Results for “Punjagutta-Ameerpet” highway canyon were simulated for a week in July 2014
Harikishan Perugu Research and Teaching seminar
Future Directions
Scaled to different regions
Include heavy-duty vehicles
This study can be used as reference for application in India
The emission rates in India are only 9.54, 8.37 and 9.45 times (for CO, HC and NOx respectively) higher than the base emission rates used in MOVES database
Methodology should be extended for more light duty vehicles and more processes like start, rest loss, evaporative and hot-soak
Minor improvements in methodology to include heavy-duty vehicles
Validation of emission rates should be done with Portable Emission Measure Systems
Harikishan Perugu Research and Teaching seminar
Teaching Topic:
4-Step Travel Demand Modeling Process
Harikishan Perugu Research and Teaching seminar
Harikishan Perugu Research and Teaching seminar
Harikishan Perugu Research and Teaching seminar
2018: Alam, MS.,McNabolaandH.Perugu. “A comparison of route-choice navigation across air pollution exposure, co2 emission and traditional travel cost factor ”, Transportation Research Part D: Transport and Environment (Impact Factor: 2.34)
2018: Perugu, H. “Light Duty Vehicle Emission Modeling for Indian Cities: Adaptation of the advanced VSP-based model in Hyderabad, India”, Transportation Research Part D: Transport and Environment (Impact Factor: 2.34)
2018: Perugu, H.,L.Ramirez“Incorporating temperature effects in California’s on-road emission gridding process for air quality model inputs”, Review completed for Environmental Pollution (Impact Factor:4.23)
2017: Perugu, H., H. Wei and Z. Yao “Developing urban heavy-duty truck fine gridded emission inventory using data-driven truck travel model”, Atmospheric Environment, 155:210-233 (Impact Factor: 3.63)
2016: Perugu, H., H. Wei and Z. Yao “Integrated data-driven modeling to estimate PM2.5 pollution from heavy-duty truck transportation activity over metropolitan area” Transportation Research Part D: Transport and Environment 46, 114-127 (Impact Factor: 2.34)
2012: Perugu, H., H. Wei and A.Rohne“Modeling Roadway Link PM2.5 Emissions with Accurate Truck Activity Estimate for Regional Transportation Conformity Analysis” Transportation Research Record, Vol. 2237:87-95 (Impact Factor: 0.76)
2009: Wei., andH.Perugu“Oversaturation inherence and traffic diversion effect at urban intersections through simulation”, Journal of Transportation Systems Engineering and Information Technology, Vol. 9(4):72-82 (Impact Factor: 0.29)
Harikishan Perugu Research and Teaching seminar
Harikishan Perugu Research and Teaching seminar
Thank You Very Much & Any Questions?
Harikishan Perugu Research and Teaching seminar