# NHTSA Preliminary Evaluation PE00002
> **INAPPROPRIATE VENTING CNG TRANSIT BUS** · Opened 2000-01-11 · Closed 2000-05-12
## Investigation
- **Action number:** PE00002
- **Type:** Preliminary Evaluation
- **Open date:** 2000-01-11
- **Close date:** 2000-05-12
- **Manufacturer:** MIRADA
- **Affected makes:** MIRADA
- **Affected components:** VEHICLE SPEED CONTROL:LINKAGES
- **Affected model years:** 9999
- **Affected (make, year) variants:** 1
## Summary

ALLEGED THAT CNG IS COMPLETELY VENTED TO THE ATMOSPHERE THROUGH A PRESSURE RELIEF DEVICE (prd) IN THE ABSENCE OF DESIGN VENTING CONDITIONS (I.E., EXCESSIVE TEMPERATURE OR PRESSURE)

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE00002)
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