Effects of reformulated gasoline and motor vehicle fleet turnover on emissions and ambient concentrations of benzene.

@article{Harley2006EffectsOR,
  title={Effects of reformulated gasoline and motor vehicle fleet turnover on emissions and ambient concentrations of benzene.},
  author={Robert A Harley and Daniel S Hooper and Andrew J. Kean and Thomas W. Kirchstetter and James M Hesson and Nancy T Balberan and Eric D Stevenson and Gary R. Kendall},
  journal={Environmental science & technology},
  year={2006},
  volume={40 16},
  pages={5084-8}
}
Gasoline-powered motor vehicles are a major source of toxic air contaminants such as benzene. Emissions from light-duty vehicles were measured in a San Francisco area highway tunnel during summers 1991, 1994-1997, 1999, 2001, and 2004. Benzene emission rates decreased over this time period, with a large (54 +/- 5%) decrease observed between 1995 and 1996 when California phase 2 reformulated gasoline (RFG) was introduced. We attribute this one-year change in benzene mainly to RFG effects: 36… CONTINUE READING

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