Final rule · 2026-03261

Parts and Accessories Necessary for Safe Operation; Liquid-Burning Flares

FMCSA amends the rules for emergency equipment on commercial motor vehicles (CMVs) to remove the references to liquid-burning flares from the warning device requirements in the Federal Motor Carrier Safety Regulations (FMCSR). This action eliminates outdated language referring to warning devices that FMCSA believes are no longer used.