MOBILE SOURCE EMISSION FACTORS: STATE OF THE ART AND FUTURE PROGRAMS

Ambient air quality modeling of carbon monoxide is dependent on accurate mobile source emission factors. The paper examines the sensitivity of emission factor projections to input parameters such as ambient temperature, hot-cold sighting, average route speed, vehicle deterioration, and growth rate. The ability to estimate cold vehicle operation at low ambient temperature is as important to localized emission prediction as is the estimation of growth rates and emissions from future emission control technology vehicles. Analysis of existing data indicates that localized emission factors are needed since projected reductions in emissions from base-line levels are not independent of vehicle operating mode. Present emission factors and planned refinements to EPA Publication AP-42 are discussed. /Author/

Media Info

  • Media Type: Print
  • Features: References; Tables;
  • Pagination: pp 176-189
  • Monograph Title: Assessing transportation-related air quality impacts
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00139663
  • Record Type: Publication
  • Files: TRIS, TRB, ATRI
  • Created Date: Sep 16 1977 12:00AM