Inspection and Maintenance for Reducing Automobile Emissions: Effectiveness and Cost

Joel Horowitz*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


EPA has recently evaluated several inspection and maintenance approaches for in-use vehicles that are potentially applicable to pre-1975 automobiles. The results of this evaluation are described and used to estimate the effecliveness and cost of inspection/maintenance for reducing total automobile emissions through 1985. It is estimated that inspection/maintenance programs for pre-1975 automobiles may be capable of achieving eight and ten percent reductions in total automobile emissions of HC and CO respectively until 1980 and two to three percent reductions in 1985. The need for inspection of automobiles of model year 1975 and later, and the potential applicability of present short-duration inspection procedures to these vehicles, are also discussed.

Original languageEnglish (US)
Pages (from-to)273-276
Number of pages4
JournalJournal of the Air Pollution Control Association
Issue number4
StatePublished - Apr 1 1973

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Pollution
  • Earth and Planetary Sciences(all)


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