Heavy Duty Diesel Testing
Conducted By
Emissions Test Facility

Jointly Owned By:
California Air Resources Board (CARB) Division of California EPA
South Coast Air Quality Management District
Los Angeles County Metro Transit Authority
Chart Data on Bus #1168 taken from Society of Automotive Engineers (SAE)
Tests published in SAE Paper #931783
Before Test Vehicle Bus 1168 With Particulate Installed (No Catalyst)
After Test Vehicle Bus 9015 With Pure Air Flow Catalyst Installed
Notes : Both Test Vehicles Tuned To Manufacturers Specifications Prior To Testing Both Vehicles Fueled By Low Sulphur Diesel

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