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May a properly vented fuel cap be used on a fuel tank equipped with another fuel venting system?

Document
FMCSA-VEH-393.67-Q01.cm_.docx (22.48 KB)

Section § 393.67: Liquid fuel tanks.

Guidance Q&A

Question 1: May a properly vented fuel cap be used on a fuel tank equipped with another fuel venting system?

Guidance: Yes (see § 393.3).

Regulatory Topic: Topic: Use of vented fuel cap in addition to other fuel system
Effective Date: Sunday, May 4, 1997
Issued Date: Friday, April 4, 1997