Portland study interim analysis: update with nine months of vehicle operation

• Record Nr.: UNINA9910713000203321
• Pubbl/distr/stampa: [Ann Arbor, Mich.] : , : Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, U.S. Environmental Protection Agency, , 1979
• Descrizione fisica: 1 online resource (14 pages in various pagings) : illustrations
• Soggetti: Automobiles - Motors - Exhaust gas - United States; Automobiles - United States - Motors - Maintenance and repair; Automobiles - Inspection - United States; Air - Pollution - United States
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: "IMS-004/PS-2."; "May 1979."