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Light-duty Gasoline
High Emitter PM Study: Lube oil analysis
CRC Project No. E-69a
Leaders: S. H. Cadle
M. Natarajan
Scope and Objective
This project provides for
analysis of a subset of lubrication oil samples that were collected during the
E-69 test program to measure PM and other components in exhaust emissions of 480
randomly selected, LD vehicles in the Kansas City Metropolitan Area.
Current Status and Future Program
NREL and CRC
co-funded the detailed chemical speciation analysis of several lubricant oil
samples at the Desert Research Institute. Information gained in this analysis
may help interpret the results of the E-69 project, by allowing a comparison of
the tailpipe emissions with the lubricant oil composition. Several unused oil
samples were tested so that the change of lubricant oil composition in-use can
be discerned. The Final Report was issued in March 2007 and is posted on the CRC
website.
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