PEMS Previous Conference Archive

OSAR 2025 - The Role of Onboard Sensing and Emissions Reduction in Moving Towards a Sustainable Transportation Future

Click here to download all the presentations

Day - 1

Presentation By	link
1.1 Tom Durbin	The Role of OSAR in moving Towards a Sustainable Transportation Future
1.2 Ricardo Suarez Bertoa	NOx measurements during the Periodic Technical Inspection (PTI)
1.3 Carl Fulper	Efforts to Identify and Quantify the Prevalence and Emissions Impact of Medium- and Heavy-Duty Vehicles
1.4 Chris Sharp	Investigation of NOX Sensor Measurement Errors and Potential Methods of Correction
1.5 Carl Desouza	Particle Size Distribution
1.6 Karl Ropkins	THE RDE AND THE REAL-WORLD: A DIESEL HYBRID/ADVANCED BIOFUEL/PEMS CASE STUDY
1.7 Georges Saliba	A Study of Energy Consumption Differences Between Heavy-Duty Battery Electric and Conventional Transit Buses
1.8 Yang Li	Emission Measurement with NOx Sensors in the Presence of HC’s & H2
1.9 Grace Johnson	Preliminary Results of Sensor Based Onboard Sensing Analysis And Reporting from Fleets During a Two Month Timeframe
1.10 Imad Khalek	Effect of Fuels on Compression Ignition Engine Particle Number, Size Distribution and DPF Filtration Efficiency
1.11 Joshua Israel	Ultra-Low NOx Measurement Utilizing Advanced Infrared Techniques
1.12 Joshua Orlando	Data-Driven Insights for Heavy Duty Fleet Emissions
1.13 Yucheng He	Development of a Heavy-Duty Vehicle Emissions Inventory with High Spatial Resolution for Community-Level Analysis

Day - 2

Presentation By	Link
2.1 Carl Ensfield	PEMS Updates: Ultra-low NOx and NH3 Measurements
2.2 Ehsan Soleimanian and Axel Freund	Mobile Hydraulic Dynamometer (MoHyD) Testing on Off-Road Equipment
2.3 Daisy Thomas	Investigating the performance of the FLEX-PNC diffusion charger PN and PM measurement system
2.4 Zisimos Toumasatos	Review of CE-CERT’s Brake and Tire Programs
2.5 Okjoo Park	Assessment of Energy Recuperation and Brake-Wear Particulate Matter Emissions Over Chassis Dynamometer Test Cycles
2.6 Lia Dam	Numerical Analysis of Heavy-Duty Vehicle Activity and Brake-Wear PM Emissions to Assess Potential PM Reductions from Battery Electric Vehicles
2.7 Elizabeth DeFrance	Light-Duty Vehicle Tire-Wear Particle Emissions
2.8 Kent Johnson	Exposure Studies Utilizing Low and High cost data: Future Regulations

OSAR 2024 - Driving Change for Cleaner Air

Click here to download all the presentations

Day - 1

Presentation By	LINK
Alberto Ayala	Leveraging voluntary carbon offsets, evolving global markets, and OSAR technology for incentivizing fleet modernization/cleaner internal combustion in emerging economies
Carl Fulper	Developing Tools to Quickly Find Potentially High Emitting Heavy-Duty Vehicles
Carl Desouza	Pathway to Net-Zero Construction
Daisy Thomas	Suitability of iPEMS for Inspection and Maintenance in Nigeria
Grace Johnson	Preliminary Results of Sensor Based Onboard Sensing Analysis And Reporting from Fleets During a Two Month Timeframe
Chris Sharp	An Update on the Examination of In-Use Measurement Variation with PEMS at Low NOX Levels
Yang Li	Advanced Aftertreatment Sensor Characterization Methods and Learnings
Joshua Israel	Challenges and Innovations in Measurement for In-use Compliance: Advanced emission measurement techniques for low-concentration NOx, alternative fuels, and hybrid powertrains
Rito Sur	A COMPACT ULTRA-LIGHT LASER-BASED PORTABLE EMISSIONS MEASUREMENT SYSTEM (PEMS) PLATFORM FOR VEHICLE EMISSIONS MEASUREMENTS
Benjamin Shade	Application of the AVL M.O.V.E FT A New Portable FTIR for In-Vehicle Emissions Measurement
Michael Huber	Characterizing a Real-Driving Brake Emissions Sampling System in Different Test Environments
Louisa Kramer	Development of a system to measure real world particle emissions from brake wear
Carlos Agudelo	Statistical Evaluation of Euro 7 Laboratory Tests for Brake Emissions Factors

Day - 2

Presentation By	Link
Jeremy Rochussen	IN-USE MEASUREMENTS TO QUANTIFY MARINE METHANE SLIP IN LNG DUAL-FUEL ENGINES
David Chou	Lawnmower Emissions – PEMS Pilot Testing and Upcoming Surveillance Program
Susumu (Mu) Sato	Effects of Cold Start and Driving Behavior during On-road Driving on NH3 Emissions from Gasoline Vehicle
Darrell Sonntag	Real-World Heavy Duty Diesel Vehicle Emissions in Utah During the Summer
Ioannis Raptis	Evaluation of a miniaturized exhaust emission measuring system for L-Category Vehicle Measurements in Real-World Driving Conditions
Imad Khalek	Absorber Windows for Very Low Soot Mass Concentration using a Photoacoustic Instrument
Greg Banish	SOMEONE FINALLY MEASURED IT
Axel Freund	Mobile Hydraulic Dynamometer (MoHyD)
Marc Stuart	Carbon Markets and the Mobility Transition: A 30 year History and What May be Forthcoming

OSAR 2023 - Onboard Sensing, Analysis, and Reporting (OSAR)

Click this Link to download all the presentation files.

Day - 1

Presentation By	Link
1.1 Kent Johnson Keynote	OSAR Technology, Mobile Source Carbon Offsets, and the Role of Cleaner Combustion in the Orderly Transition to a Decarbonized Transportation Future
1.2 Georges Saliba	On-Board Sensing: How Will This Data Be Used for Mobile Source Programs in California?
1.3 Kent Johnson	ANALYSIS OF A SENSOR-BASED SYSTEM FROM SEVERAL CLASS 8 TRUCKS DURING A LONG TERM MEASUREMENT STUDY
1.4 Philipp Jakubec	Assessment of an On-Board FT-IR Gas Measurement Systems for Future Heavy-Duty Regulations
1.5 Susumu Sato	Study on Analysis and Prediction of Real-world Emissions from Direct Injection Gasoline Vehicle Using On-road Driving Emission Measurement Data
1.6 Pei Zhao	On-board monitoring (OBM) of NOx emissions for heavy-duty vehicles in China
1.7 Rito Sur	A compact ultra-light laser-based portable emissions measurement system (PEMS) platform for vehicle emissions measurements
1.8 Michael Huber	Measuring a Vehicle’s Real-World Brake Wear Particle Emissions on Public Roads
1.9 Georgios Karavalakis	Addressing In-Use Non-Exhaust Emissions from Heavy-Duty and Light-Duty Vehicles: Development of a New Research Laboratory at CE-CERT
1.10 Leo Breton	HORIBA TORQUE MATCHING (HTM)
1.11 Imad Khalek	Electrical Mobility Particle Sensor with Micrometers Spacing Between Electrodes
1.12 David Quiros	The Expanding Role of PEMS and On-Board Sensors in Mobile Source Emission Inventory Development
1.13 Chris Sharp	Assessment of Measurement Variability of New Low NOX PEMS for Measurement Allowance (and a brief look at Sensors…)
1.14 Nick Molden	Real-world emissions of volatile organic com pound species between different gasoline formulations
1.15 Greg Banish	WHAT DOES “NO MIL” FROM OBD REALLY MEAN? A STORY OF TRUST AND CHEATING

Day - 2

Presentation By	Link
2.1 Kent Johnson	A COMPREHESIVE EVALUATION OF NEW LOW NOx 1065 COMPLIANT PEMS
2.2 Andrew Burnette	COMPARING MICRO-PEMS AND 1065 COMPLIANT PEMS RESULTS FROM FIELD TESTS OF AN ALL-TERRAIN VEHICLE
2.3 Daisy Thomas	Potential for miniPEMS to identify high emitters via advanced inspection and maintenance methods
2.4 Carl Fulper	Second Generation Mini-PEMS for the Application of Emissions Measurement
2.5 Ioannis Raptis	Evaluation of a miniaturized exhaust emission measuring system using an optoacoustic BC sensor and low-cost ambient sensors
2.6 Chase Sun	Development of a Lightweight UAV-Mountable Open-Cell Methane Sensor Using Mid-Infrared Tunable Diode Laser Interfaced with a Low-Cost Embedded Platform
2.7 Karl Ropkins	Automating Car Chaser Emissions Measurement
2.8 Emmanuel Gonzales	Machine Learning-based Mesoscopic Energy Consumption Models for Heavy-Duty Battery Electric Trucks
2.9 Jeremy Rochussen	IN-USE GHG EMISSION LOGGING FOR HIGH-FIDELITY EMISSION INVENTORY CALCULATION IN LNG MARINE VESSELS
2.10 Aaron Katzenstein	California Is Electrifying: Learn About the CA Grid and the Scope of the Effort Required

PEMS 2022 - Moving Towards Onboard Sensing, Analysis, and Reporting (OSAR)

PEMS 2022 Agenda

Click here to download all presentation files.

Day 1

Opening	Matthew Barth	1.0 Welcome and Opening Remarks.pdf (2.45 MB)
Keynote	Christopher Frey	1.1 Keynote - Role of Sensors and Data in an Integrated Transportation and One Health Approach.pdf (8.16 MB)
Government Policy	Roberto Gioria	1.2 Non-road Mobile Machinery in Service Monitoring Based on PEMS - JRC Experiences in the Development of the Regulatory Proposal.pdf (3.58 MB)
Government Policy	Scott Bacon	1.3 Mini-PEMS A Technical Review on What Is Needed for Using it as a Screening and Compliance Tool.pdf (2.96 MB)
Government Policy	Kent Johnson	1.4 Onboard Sensing, Analysis, and Reporting (OSAR).pdf (2.95 MB)
New Approaches	Imad A. Khalek	1.5 Laboratory Investigation of Exhaust NOxNH3 Sensors Under Steady-State and Transient Operation Using ECTO-LAB.pdf (2.14 MB)
New Approaches	Daisy Thomas	1.6 Performance Evaluation of a Mini-PEMS Results of Intercomparison Studies and Implications for its Potential.pdf (1.12 MB)
New Approaches	Chris Sharp	1.7 Low NOx Real-World Cycle PEMS and NOx Sensors.pdf (8.51 MB)
International Research Developments	Nick Molden	1.8 Easier, Cheaper, Deeper A Novel Approach to Tailpipe Emissions Measurement.pdf (1.27 MB)
International Research Developments	Ron Patrick	1.9 ECM’s Mini-PEMS and Micro-PEMS Systems and Components.pdf (7.17 MB)
International Research Developments	Ricardo Suarez-Bertoa	1.10 Measuring Emissions from Heavy-Duty Vehicles Under Real World Conditions Using On-board Sensors and Advanced Portable Instruments.pdf (2.01 MB)
International Research Developments	Phil Roberts	1.11 RDE Plus – Rapid Characterization of Vehicle and Powertrain Performance and Emissions Using Digital Twin, Powertrain-in-the-Loop a.pdf (10.23 MB)
International Research Developments	Susumu (Mu) Sato	1.12 Real World Emissions Analysis Using Sensor-Based Emissions Measurement System for Light-Duty Direct Injection Gasoline Vehicles.pdf (3.12 MB)
International Research Developments	David Mendez-Jimenez, Grace Johnson, Heejung Jung	1.13 The Influence of Portable and Built-in Ionizers on Ozone Concentration in Vehicle Cabins.pdf (763.3 KB)
International Research Developments	Scott Miers, Brian Eggart	1.14 Development of a Mini-PEMS with High HC Capacity.pdf (2.57 MB)
International Research Developments	Andre Luiz Silva Forcetto	1.15 Developing a Low-Cost PEMS for Flex Fuel Cars.pdf (3.95 MB)

Day 2

Research Development	Brenda Lopez, Kent Johnson, Heejung Jung	2.1 Brake Activity of a Heavy-Duty Vehicle.pdf (2.87 MB)
Research Development	Daisy Thomas	2.2 Mini-PEMS Use for Advanced Inspection and Maintenance Methods to Identify High Emitters.pdf (3.68 MB)
Research Development	Karl Ropkins	2.3 Collecting Real-World Evidence on Factors Affecting Bus Fleet Non-Exhaust Emissions.pdf (3 MB)
Research Development	Patrick Thompson	2.4 Low-Cost On-Board Electrostatic PM Sensing for Continous Compliance Monitoring and Geofencing.pdf (4.22 MB)
Research Development	Michael Sabisch	2.5 Opening the “CAN” – Exploiting the Wealth of Data Within a Vehicle’s ECM.pdf (1.88 MB)
Research Development	Hervé Borrel	2.6 Improved Vehicle Cabin Air Quality by Control of Air Recirculation Using Spatiotemporally-Resolved Interactive Map.pdf (1.95 MB)
Research Development	Ricardo Suarez-Bertoa	2.7 NOx Real World Emissions Measurements from a Euro 6d ISC Light-Duty Vehicle Using On-Board Sensors.pdf (2.07 MB)
New Methods	Andrew Burnette	2.8 Communication with Unfamiliar Off-Road Vehicle Controller Area Network (CAN) Systems in the Field.pdf (2.56 MB)
New Methods	Kent Johnson	2.9 Manfred Linke.pdf (4.52 MB)
New Methods	Shun Fukami	2.10 Advanced Portable Emissions Measurement System for New Measurement Components (NH3, N2O, and SPN10).pdf (3.58 MB)
International Research Developments	Kathryn Higgins	2.11 Community Level Environmental Policy Developments.pdf (6.66 MB)

PEMS 2021 - From the Laboratory to the Real World: Understanding Community Impacts

PEMS 10th Annual Virtual Conference Presentations

Keynote	Day 1
	Sterling Imfeld	Keynote Presentation
Exposure & Measurements
	Daisy Thomas	New Approach to Periodic Technical Inspection (PTI) Vehicle Emission Tests
	Nick Molden	Vehicle Interior Air Quality, Pollution Exposure in the Cabin and the Opportunity for Standardized International Ratings Transport Energy / Emissions Research (TER)
	Sebastian Tolvett	Evaluation of TDI Engine Nitrogen Oxide Emissions in Chile Measured with PEMS
Government Policy
	Tim Dallman	Using Vehicle Remote Sensing Emissions Data to Inform Low-emission Transportation Policies and Actions
	Bill Robertson	Sensor Based Emissions: A Regulator Perspective On ‘REAL’ and Future Directions
	Kent Johnson	On-Board Sensing, Analysis, and Reporting (OSAR)
Research & Development
	Kotaro Tanaka	Ammonia Measurements in Exhaust Using PEMS and SEMS
	Susumu (Mu) Sato	The Real-world Emissions Prediction with Deep Learning Based on the SEMS Measurement Data
	Robin Smit	An Overview of Measuring and Modelling Real-world Vehicle Emissions in Australia
	Imad Khalek	Laboratory Investigation of NOx/NH3 Sensors for Onboard Emissions Monitoring
Research & Development	Day 2
	Zissis Samaras	Measuring Automotive Exhaust Particles Down to 10nm - "DownToTen" Project
	Kay-Oliver Denkinger	NOx-Sensor for Emission - and Immission - Measurement
	Ehsan Hosseini	Calculation of a GHG Emissions Rate for Transportation Network Companies in California
	Karl Ropkins	n/a
	André Forcetto	Advances in Real Driving Emissions in Brazil
	Phil Roberts	n/a
Sensing & Policy
	Zissis Samaras	On-board Monitoring with Advanced Exhaust Sensors
	Yi Tan	Assessing the Ability of On-board NOx Sensors to Reflect Full Cycle NOx Emissions
	Cavan McCaffery*	PEMS testing studies at UC Riverside CE-CERT
	Chris Ruehl	Comparison of Early (model yr. 2010-11) and Later (2013-14) On-road Performance of Selective Catalytic Reduction (SCR) on Heavy-duty Engines