The Center for Air Quality Studies Environment and Air Quality Division Developing Performance...
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![Page 1: The Center for Air Quality Studies Environment and Air Quality Division Developing Performance Measures for Sustainable Freight Movement Joe Zietsman,](https://reader035.fdocuments.in/reader035/viewer/2022081520/5697bf8f1a28abf838c8d3c0/html5/thumbnails/1.jpg)
The Center for Air Quality StudiesEnvironment and Air Quality Division
Developing Performance Measures for Sustainable
Freight Movement
Joe Zietsman, Ph.D., [email protected]
Texas Transportation Institute
April 18, 2012
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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The Center for Air Quality StudiesEnvironment and Air Quality Division
HUMAN NEEDS
ECO
NO
MIC
DEV
ELO
PMEN
T AN
D P
ROSP
ERIT
Y
COM
MU
NIT
Y H
EALT
H A
ND
VIT
ALI
TY
ENVI
RON
MEN
TAL
AND
ECO
LOG
ICAL
SYS
TEM
S
EQUITYEQUITY
EQUITYEQUITY
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Extended Truck Idling
• 500,000 long haul trucks
• Rest 10h for every 14h of driving
• 350 tons of NOx per day
• 2 million gallons of diesel per day
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Mobile (On-Board)
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Stationary (Off-Board )
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Combination (Mobile and Stationary)
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Large Truck Stops
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The Center for Air Quality StudiesEnvironment and Air Quality Division
National Truck Corridors
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Evaluation Criteria
Number Measure Description
1 Corridor length From origin to destination
2 Major activity centers Activity centers such as major urbanized areas
3 Average daily truck volume Class 8 truck volume
4 Truck traffic growth rates Estimated annual truck growth rate
5 Non-attainment areas Number of ozone and PM nonattainment areas
6 Existing TSE sites Existing TSE sites
7 Number of truck stops Number of truck stops with more than 75 spaces
8 Corridor temperature % corridor above 900F or below 400F
9 Number of major intersections Number of major freeway to freeway interchanges
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Mobile Idle Reduction Technologies
Hea
ting
Cooling
Electricity
APU’sDiesel, Battery, Hybrid
Fuel Operated Heaters
Thermal StorageCooling
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Environmental and Emissions Research Facility (EERF)
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The Center for Air Quality StudiesEnvironment and Air Quality Division
• 75′ X 23′ X 22′• Temperature range
– -40 130 ºF– RH up to 70% at 105 ºF
• Solar load– Up to 1100 watt/m2 14000 Lux
• Wind load– Up to 35 mph
Chamber Specifications
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Installation Example
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Fuel Consumption and Emissions (Hot Test)% of Base Truck
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Fuel Consumption and Emissions (Cold Test)% of Base Truck
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The Center for Air Quality StudiesEnvironment and Air Quality Division
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Infiltration(a) (b)
(c) (d)
NO Concentration Distribution in the Section Plane through the Driver’s Seat in the APU Test Conditions at Physical Time of (a) 10 s, (b) 300 s, (c) 600 s and (d) 3600 s
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Future Vision• Mobile Chassis Dyno
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The Center for Air Quality StudiesEnvironment and Air Quality Division
Concluding Remarks
• Sustainability is an important framework• NCHRP 708 puts it all together• Truck idling is a significant source• National deployment strategy for TSE• Protocol for APU testing• Broad range of testing• Basis for effective policies