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CONCEPTUAL DESIGNS FOR A NEW HIGHWAY VEHICLE EMISSIONS ESTIMATION METHODOLOGY
Citation:
Ripberger*, C. T. CONCEPTUAL DESIGNS FOR A NEW HIGHWAY VEHICLE EMISSIONS ESTIMATION METHODOLOGY. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-93/214 (NTIS PB94-120128), 1993.
Impact/Purpose:
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Description:
The report discusses six conceptual designs for a new highway vehicle emissions estimation methodology and summarizes the recommendations of each design for improving the emissions and activity factors in the emissions estimation process. he complete design reports are included as appendices. PA asked six contractors to assist in developing ideas for a potential methodology to estimate highway vehicle emissions that could be developed for use in 5-10 years. hey were selected because of their experience in working with mobile source emissions inventories. n general, the contractors suggest developing new modules within the emission estimation process to provide users with more detailed information on the causes of vehicle emissions. he essence of these concepts is the need for more comprehensive integration of data between the transportation planning model and the emission factor model. he individual reports did reinforce comments voiced by other experts for modal data and more responsive transportation models, although they did not identify totally new concepts not already being considered by EPA research programs.