Portland study interim analysis : observations on six months of vehicle operation.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Ann Arbor, Mich.] : Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, United States Environmental Protection Agency, 1979.
Subjects:	Automobiles > United States > Motors > Maintenance and repair > Observations. Automobiles > Inspection > United States > Observations. Automobiles > Motors > Exhaust gas > United States > Observations. Air > Pollution > United States > Observations.
Online Access:	https://purl.fdlp.gov/GPO/gpo132083

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