The Federal Motor Carrier Safety Administration (FMCSA) requests public comment on Waste Management, Inc.’s (Waste Management) application for an exemption to allow all of its 106 operating companies to replace the high-mounted brake lights on their owned and operated fleets of heavy- duty refuse and support trucks with red or amber brake-activated pulsating lamps positioned in the upper center position, or in an upper dual outboard position, in addition to the steady burning brake lamps required by the Federal Motor Carrier Safety Regulations (FMCSRs). Access the exemption application and make comments at https://www.regulations.gov/search?filter=fmcsa-2021-0059