mobile source modeling: planning and state mobile emissions€¦ · 2011. 2028 ・9501 west devon...
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Mobile source modeling: Planning and State Mobile Emissions
1Isle Royale NP, MI Boundary Waters Wilderness, MN
Mark Janssen Emissions Director
MCDI meetingApril 24th, 2019
Credit: Ray Dumas Credit: Mike Sweet
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National NOx Emissions by Sector
www.ladco.org・Lake Michigan Air Directors Consortium・9501 West Devon Avenue, Suite 701 Rosemont, IL 60018 22011v6 20232011 20282011 2014 2016beta
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State Of Technology
• LADCO works directly with USEPA to build onroad and nonroademissions inventories for modeling, We pool resources and expertise.
• MOVES is EPA’s JAVA/MYSQL/Fortran tool for calculating onroad(cars/trucks) emissions.
• Needs fleet age/technology, activity, fuel, vehicle population and speed.
• LADCO has worked with Coordinating Research Council(CRC) to improve MOVES inputs like speed, age, and temporal profiles.
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Coordinating Research Council(CRC) Auto/Oil industry group
• 6 projects LADCO spearheaded with CRC to evaluate MOVES inputs • A-84: Identified the input variables most likely to impact modeling and
inventories: vehicle age, car/truck mix, vehicle count, speed distribution, road type distribution.
• A88, National VIN decode for 2011, get vehicle counts. Use models to get passenger/heavy truck mix
• A100 Use of telemetry data to improve MOVES inputs: speed distribution, temporal
• A103 Improve cloud based computing• A106 Improved start information from telemetry• A115 Re-evaluate VIN decode techniques and update age distributions. • A-119(Pending) project to build modeling to remote sensing tools.
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Age
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MI, source Motorcycle
2608126091260452606526075260772611726121261392614526163MVS2014default
Age Distribution Example A-88
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Chicago Telemetry Data
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Telemetry Data ImprovementWeekday, LD Passenger Vehicles
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Urban Restricted Roads Urban Unrestricted Roads
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2014 Vehicle Count by AgePassenger Cars
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Onroad Mobile Data Strengths
• We continue work with states and cities to improve transportation data. This includes reflecting the differences between states and cities.
• Changes to these inputs do have a measureable effect on emissions.
• Are vigilant that even if inputs are good will model produce realistic emissions. • Use satellite and remote sensing data to verify
inventories and models• Compare ground based measurements and
Inventories
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Heavy Duty Off Cycle Idling
UC –Riverside Presentation to MARAMA Oct 20th, 2017
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Heavy Duty Defeat Device
• Aftermarket Defeat Device – “any part or component… where a principal effect…is to bypass, defeat, or render inoperative any device or element of design installed on or in a motor vehicle or motor vehicle…”
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EPA Tuner Emissions TestsStock Calibration/Equipment Versus Emissions-Equip. RemovedTuners
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NOx CO
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13Source: Phil Brooks OECA presentation April 5th 2018
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Nonroad Sources
• EPA recently added nonroad source calculation into MOVES. The model creates emissions estimates for engines that do not operate on highways.
• Difficult to inventory because of diversity of sources, across many industries, low individual emissions, large composite emissions.
• Recreational vehicles, all-terrain vehicles and off-road motorcycles; • Logging equipment, chain saws; • Agricultural equipment, tractors, combines; • Construction equipment, graders and back hoes; • Industrial equipment, forklifts and sweepers; • Residential and commercial lawn and garden equipment, tillers, leaf and snow blowers• Recreational and commercial marine vessels, power boats and oil tankers• Railway equipment, train and switching engines• Aircraft, Baggage handling equipment, jets and prop planes.
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Nonroad January/July VOC
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Nonroad January/July NOX
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Agriculture Monthly Profile
LADCO EPA Default 16
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LADCO Improvements to Rail
• LADCO and IL,MI have put significant effort into rail inventories.
• Included passenger(Amtrak) and commuter(METRA) into inventories into national inventory for the first time ever.
• Use proprietary rail administration database of link level activity and we identified yards as points.
• METRA change is the most significant recent change. Metra’s fleet is older, 10% of fleet will upgrade by 2023.
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Cook County IL, NOX Tons/Year
Class 1 LH Yards METRA
Class 2/3 Amtrac
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OTAQ vs ERTAC Rail Line-HaulNOX emission rate(grams/gallon)
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y = 193.33e-0.03x
R² = 0.9946
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20062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040OTAQ L-H NOx ERTAC L-H NOx 2 per. Mov. Avg. (OTAQ L-H NOx ) Expon. (ERTAC L-H NOx)
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What Can We Do About Vehicle Emissions?
•VW Settlement •Diesel Emissions Reduction Act (DERA)•Heavy Duty Diesel Devices•Heavy Duty Diesel Device Idling
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LADCO’s Role in Characterizing Reductions
• LADCO works with EPA to build the future year emissions inventories• Growth and Control inputs come from states/LADCO for anything
beyond federal regulations• Emissions changes are put into inventories, modeled, and eventually
put into SIPS. • Often the base year activity needs to be modified to give us
something to reduce from. • States has to show ozone/haze impact from controls
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• 2016beta is available now• Intermountain West Data
Warehouse (IWDW)• Download the complete
emissions modeling platform• Modular downloads of the
entire air quality (CAMx and CMAQ) platform
• Interactive analysis tools
• LADCO Data Viewer• Archive of static summary
plot
2016 Platform Data Accessviews.cira.colostate.edu/wiki/wiki/10197
Additional Analysis Products
www.ladco.org・Lake Michigan Air Directors Consortium・9501 West Devon Avenue, Suite 701 Rosemont, IL 60018 21
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Questions and Contact
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Sleeping Bear Dunes, MI Garden of the Gods, IL
Mark Janssen Emissions [email protected]
Credit: NPS Credit: Daniel Schwen