49 CFR 178.337 : Transportation (§ 1.1 To Parts 1581-1699) — (§ 178.1 To § 199.245) — Other Regulations Relating To Transportation (Continued) (§ 178.1 To § 199.245) — Pipeline And Hazardous Materials Safety Administration, Department Of Transportation (Continued) (§ 178.1 To § 199.245) — Specifications For Packagings (§ 178.1 To Appendix E To Part 178) — Specifications For Containers For Motor Vehicle Transportation (§ 178.318 To § 178.348-5) — Specification MC 331; cargo tank motor vehicle primarily for transportation of compressed gases as defined in subpart G of part 173 of this subchapter.