Thomas L. Darlington, President

Profile

Mr. Tom Darlington is an internationally recognized expert in on-highway and off-highway mobile source emissions modeling, and in estimating the effects of new engine and fuel regulations and control technologies on emissions and fuel consumption. He has been involved in modeling the effects of every major vehicle control technology for passenger cars, light-duty trucks, and heavy-duty vehicles, since the 1990 Clean Air Act Amendments. He has also modeled most of the off-highway regulations adopted since then, as well. He is an expert on both the California and EPA on-highway and off-highway emission models, and also the MOBILE4 fuel consumption model. Mr. Darlington is currently serving on EPA’s Modeling Working Group FACA Committee for MOBILE6.


Professional Experience

  • 1994-Present -- President, Air Improvement Resource
  • 1993-1994 -- Director, Mobile Source Programs, Systems Application International
  • 1989-1994 -- Senior Engineer, General Motors Corporation, Environmental Activities
  • 1988-1989 -- Senior Project Engineer, Detroit Diesel Corporation
  • 1979-1988 -- Project Manager, U.S. EPA, Ann Arbor, Michigan


Recent Major Projects

  • Evaluated the emission benefits of industry alternatives to the California "LEV-II" proposal for cars and light trucks using ARB’s MVEI7G emission model and modeling methods.
  • Modified Canada’s MOBILE5C model to estimate the emission benefits of various vehicle technology and fuel options, and estimated emission benefits across Canada.
    Analyzed ambient PM10 trends and PM emission inventories in the U.S. over the past ten years, and the implications of further PM controls. This work was published in the Journal of Air and Waste Management.
  • Created an advanced version of the MOBILE6 model that added off-cycle emissions, reduced in-use deterioration, and improved light-duty truck projections, which was used to estimate the benefits of vehicle and fuels options for EPA’s Tier 2 Study for passenger cars and light-duty trucks.
  • Evaluated the emission benefits and cost effectiveness of on-highway emissions control technology applied to off-road large spark ignited engines for the Engine Manufacturers Association and Outdoor Power Equipment Institute.
  • Conducted a comprehensive study of the full fuel cycle emissions of electric vehicles in New York State for the automobile manufacturers.
  • Evaluated the relationship between NOx and ozone in the South Coast Air Basin and in New York on weekends versus weekdays for Navistar International Transportation Corporation.
  • Reviewed all of the EPA technical reports for light- and heavy-duty vehicles for MOBILE6.
  • Evaluated the emission benefits and cost effectiveness of Tier 2 emission standards for small gasoline engines for Engine Manufacturers Association


Education

B. Sc., (Materials and Metallurgical Engineering), University of Michigan, Ann Arbor, 1979

Post Graduate Courses (Business Administration), University of Michigan, Ann Arbor, 1982

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