28.06.2013 Views

European Customer Technology Centers - Delphi

European Customer Technology Centers - Delphi

European Customer Technology Centers - Delphi

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

In SERVICE CONFORMITY TESTING<br />

US In use testing<br />

Applicable to HD > 8500 lbs<br />

HC, CO and NOx emission from 2005<br />

PM emissions from 2006<br />

Based on families selected by EPA: - Up to 25% of engine families/year<br />

- Every 4 years period, max average number of engine families certified over that 4 years period<br />

The average emissions for each pollutant must remain at or below the NTE threshold<br />

Phase 1 testing<br />

Test on 5<br />

engines<br />

Process completed Process completed Process completed<br />

All 5 test<br />

results comply<br />

w/ criteria<br />

YES YES YES<br />

NO<br />

Test on 1<br />

additional<br />

engine<br />

Test result<br />

comply w/<br />

criteria<br />

Test on 4<br />

additional<br />

engines<br />

If a<br />

total of 8<br />

engines over the 10<br />

tested comply w/<br />

criteria<br />

Follow up discussion<br />

w/ EPA<br />

6 or 7<br />

over the 10 tested<br />

engines comply<br />

w/ criteria<br />

Phase 2 testing<br />

For any reason, carmakers can be requested to test 10 additional engines.<br />

EPA may select a certain subset of the engine family, force specific test conditions, define a period when testing and reporting have to be done.<br />

EPA may require<br />

carmaker to<br />

initiate Phase 2<br />

Additional Emissions-Related Requirements 45<br />

YES<br />

NO NO NO

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!