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Comparative Emissions from Some Leaded and Prototype Lead-free Automobile Fuels.

Authors
Eccleston-BH; Hurn-RW
Source
NTIS: PB 192 004 :24 pages
Link
NIOSHTIC No.
10009034
Abstract
The effect upon automobile emissions in changing from leaded to lead- free gasolines was studied in experiments by the Bureau of Mines in cooperation with the American Petroleum Institute. Typical U.S. leaded gasolines and prototype lead-free gasolines of comparable octane quality were used in eight vehicles operated to simulate city driving. The experiments were run at 70 deg. and 95 deg. F. Exhaust and evaporative emissions were measured and the photochemical effect of the emissions was experimentally observed in an artificial smog chamber. Results of the study reveal the manner and degree in which the changes in fuel composition alter the amount and characteristics of both exhaust and evaporative emissions. Briefly, it is shown that the compositional differences between leaded and prototype lead-free fuels resulted in higher photochemical pollution potential of the emissions from the lead- free fuels. The effect is attributed to the photochemical characteristics of high-octane fuel components that are used in greater quantity in the lead-free fuels.
Publication Date
19700101
Document Type
IH; Report of Investigation;
Fiscal Year
1970
NTIS Accession No.
PB-192004
NTIS Price
A03
Identifying No.
RI 7390
NIOSH Division
BERC;
Source Name
NTIS: PB 192 004
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