Regulations last checked for updates: May 04, 2025

Title 49 - Transportation last revised: Mar 20, 2025
§ 229.43 - Exhaust and battery gases.

(a) Products of combustion shall be released entirely outside the cab and other compartments. Exhaust stacks shall be of sufficient height or other means provided to prevent entry of products of combustion into the cab or other compartments under usual operating conditions.

(b) Battery containers shall be vented and batteries kept from gassing excessively.

source: 45 FR 21109, Mar. 31, 1980, unless otherwise noted.
cite as: 49 CFR 229.43