Diurnal emissions from in-use vehicles. CRC project E-9
Technical Report
·
OSTI ID:676207
One hundred fifty-one vehicles were recruited from the I/M lane in Mesa, AZ during the summer of 1996, and their 24 hour diurnal emissions were measured in a variable temperature SHED (VT-SHED). The fleet selection included the earliest applications of evaporative emission control, and later technologies that has at least 5 years of exposure. Model years 1971 through 1991 were tested. `Resting Losses` were estimated for the fleet using the last 6 hours of the diurnal. Analysis of the closed bottom canisters against the open bottom design indicated a 2 gram per day difference between the two designs. An I/M purge and pressure check identified the majority of the major failures, but often for the wrong reasons.
- Research Organization:
- General Motors Powertrain, Pontiac, MI (United States); Coordinating Research Council, Inc., Atlanta, GA (United States)
- OSTI ID:
- 676207
- Report Number(s):
- PB--99-107278/XAB
- Country of Publication:
- United States
- Language:
- English
Similar Records
Running loss emissions from in-use vehicles (CRC project number E-35-2). Final report
Testing support for evaluation of inspection/maintenance issues (test groups no. 9 and 10). Technical report
Measurement of running loss emissions from in-use vehicles (CRC project E-35). Final report
Technical Report
·
Sun Jan 31 23:00:00 EST 1999
·
OSTI ID:678873
Testing support for evaluation of inspection/maintenance issues (test groups no. 9 and 10). Technical report
Technical Report
·
Mon Dec 31 23:00:00 EST 1979
·
OSTI ID:5766130
Measurement of running loss emissions from in-use vehicles (CRC project E-35). Final report
Technical Report
·
Sun Feb 15 23:00:00 EST 1998
·
OSTI ID:678874