49 CFR § 392.67 - Heater, flame-producing; on commercial motor vehicle in motion.

---
identifier: "/us/cfr/t49/s392.67"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 392.67 - Heater, flame-producing; on commercial motor vehicle in motion."
title_number: 49
title_name: "Transportation"
section_number: "392.67"
section_name: "Heater, flame-producing; on commercial motor vehicle in motion."
chapter_name: "FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "B"
subchapter_name: "FEDERAL MOTOR CARRIER SAFETY REGULATIONS"
part_number: "392"
part_name: "DRIVING OF COMMERCIAL MOTOR VEHICLES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 504, 13902, 31136, 31151, 31502; Section 112 of Pub. L. 103-311, 108 Stat. 1673, 1676 (1994), as amended by sec. 32509 of Pub. L. 112-141, 126 Stat. 405-805 (2012); and 49 CFR 1.87."
regulatory_source: "33 FR 19732, Dec. 25, 1968, unless otherwise noted."
cfr_part: "392"
---


# 392.67 Heater, flame-producing; on commercial motor vehicle in motion.

No open flame heater used in the loading or unloading of the commodity transported shall be in operation while the commercial motor vehicle is in motion.

[33 FR 19732, Dec. 25, 1968, as amended at 60 FR 38747, July 28, 1995]