W. Addy Majewski

Editor of Technology Guide papers. Author of a number of papers on emission characterization and aftertreatment technologies.

Addy Majewski was graduated and holds a Ph.D. degree in Chemical Engineering from the Wroclaw University of Technology, Poland. He had been working at the University in areas of heat transfer and heat exchangers, evaporation, distillation and absorption with chemical reaction.

Since 1991 he has been living and working in Toronto, Ontario, Canada. His work experience includes development of diesel particulate filters and emission control catalysts for diesel, LPG and natural gas applications. Currently he is the President of Ecopoint Inc., a consulting firm which specializes in engine emission control technologies and maintains the DieselNet.com website.

Addy Majewski is a member of the Society of Automotive Engineers (SAE), and a licensed Professional Engineer in Ontario. He has authored or co-authored a number of technical publications on emission control topics, including several SAE technical papers.

Peter Ahlvik

Papers: Alternative Diesel Fuels, Natural Gas

Peter Ahlvik has a M.Sc. degree in Mechanical Engineering from the Technical University of Luleå in Sweden.

Peter Ahlvik is both working as an independent consultant and is participating in the network of the Swedish consultant company Ecotraffic ERD3 AB. Ecotraffic is a privately-owned company based in Stockholm and Ahlvik is one of the shareholders.

Peter Ahlvik was employed at the Swedish truck manufacturer Scania in 1985 after his graduation. He has seven years of experience from diesel engine development at the company. His last position at Scania was the head of the “Performance” group, which was conducting advanced development in the area of exhaust emissions and fuel consumption. Ahlvik also worked for the Swedish Governmental Agency NUTEK, which at that time was responsible for government funded research on engine and fuel technology. He was a Project Manager at AVL MTC (previously MTC), an emission laboratory and consulting company, before joining Ecotraffic in 1998. His main experience is diesel engine emissions, particulate size measurements, alternative fuels and well-to-wheel analysis of fuels and vehicles.

Peter Ahlvik is a member of the Society of Automotive Engineers (SAE) and its sister organizations in Sweden, SMR and SVEA. Ahlvik has authored and co-authored numerous technical publications published (primarily) by MTC, Swedish Governmental Agencies and SAE.

Heinz Burtscher  [homepage]

Papers: Exhaust Gas Sampling, Particulate Matter Measurements, PM Measurement: Collecting Methods, PM Measurement: In-Situ Methods

Heinz Burtscher graduated from Electrical Engineering at ETH Zürich, where he received his diploma in 1976 and a Ph.D. degree in 1980. After graduation, he started research work on aerosols at the ETH laboratory for solid state physics with Prof. H.C. Siegmann. He was the head of the “Small Particles And Aerosols” group. At that time, his research interest focused on combustion generated particles.

After the ETH period, Heinz Burtscher became a scientist at the ABB research center in Dättwil, Switzerland. His main area of work were electrostatic precipitators for coal fired power plants.

Since 1996, Heinz Burtscher has been a Professor at the University of Applied Sciences, Northwestern Switzerland. He is the founder and head of the Institute for Sensors and Signals. His main areas of research are characterization of small particles and combustion aerosols.

Kent Froelund

Papers: Lubricating Oil Consumption, Measurement of Lubricating Oil Consumption

Kent Froelund is CEO and Founder of Da Vinci Emissions Services, Ltd., a company offering specialized combustion engine R&D testing equipment for real-time lubricant oil consumption measurement, deemed DALOC, and for real-time fuel dilution measurement, deemed DAFIO. He currently resides in San Antonio, Texas.

His background in combustion engine emissions spans over 20 years. Being a native Dane, and driven by his interest in combustion engines, he studied during his M.Sc. at the Technical University of Braunschweig (TU BS), and did his M.Sc. thesis at BMW R&D in Munich on “Optimization of the Three-Way-Catalyst Towards Reaching 95%+ Conversion Efficiency”. In 1998, he earned a Ph.D. in Mechanical Engineering from the Technical University of Denmark, Denmark, in the area of “Piston-Ring Lubrication and Its Impact on Engine Emissions”. During his doctorate study, he studied at Massachusetts Institute of Technology (MIT) for almost one year. He started his career at Southwest Research Institute (SwRI), located in San Antonio, Texas, where he became Principal Engineer in the Engine Research Department.

Kent has authored 20 technical publications in the area of lubrication and lubricant oil consumption. He won the 2000 SAE Award for Excellence in Oral Presentation, the 2001 Arch T. Colwell Award for Excellence in Technical Writing, and the 2002 SAE McFarland Award for Excellence in Leadership. Multiple of his technical publications were submitted to ASME Transactions.

Hannu E. Jääskeläinen

A number of Technology Guide papers on fuels and engine technology.

Hannu Jääskeläinen holds a M.Eng. degree in Mechanical Engineering from the University of Toronto and resides in Ottawa, Ontario, Canada.

In addition to consulting on combustion, emissions and fuels topics, he carries out research activities with colleagues at the University of Toronto. He is a member the Canadian General Standards Board (CGSB), Middle Distillate Fuels and Gasoline and Alternative Automotive Fuels Committees and a member of SAE.

Since in 1991, he has been involved in experimental research and development work with internal combustion engines at the University of Toronto. This work has focused on combustion, emissions and fuels issues. His research and consultancy experience has included work with diesel, gasoline and alternative fuels such as biodiesel, natural gas and hydrogen for a wide variety of applications. He also has experience with biomass applications for industrial power generation. He has authored numerous publications and reports.

Magdi K. Khair

Papers on diesel engine basics, diesel combustion, emission formation, and advanced diesel engine design.

Dr. Khair is an Institute Engineer at Southwest Research Institute. His background in diesel engine technology spans over 35 years. He graduated in 1967 from Ain Shams University in Cairo, Egypt with a Bachelor’s of Science degree in Automotive Engineering. He earned a degree of Master of Science in thermodynamics from the University of Birmingham in the UK in 1970. In 1982, Dr. Khair earned a Master’s degree in Business Administration from Michigan State University, and in 2007 he earned a doctorate in Management Engineering from Warren-National University.

Magdi holds 18 US patents in the areas of turbocharging, exhaust gas recirculation, aftertreatment, fuel injection systems, and emission controls. He has twice been awarded SAE’s Forest McFarland award and spoke numerous times at SAE’s TOPTECs, symposia and conferences around the world.