(a) In this section, “engine brake” means an add–on engine compression brake for diesel engines.
(b) A person may not operate a commercial motor vehicle equipped with an engine brake unless the engine brake is connected to a properly functioning exhaust muffler system in constant operation when the vehicle’s ignition is engaged.
(c) A person may not disable the exhaust muffler system of a commercial motor vehicle that is equipped with an engine brake except to make a bona fide repair or replacement.
(d) A person convicted of a violation of this section is subject to:
(1) For a first offense, a fine of not less than $250 and not exceeding $1,000; and
(2) For a second or subsequent offense, a fine of not less than $500 and not exceeding $1,000.
Structure Maryland Statutes
Title 22 - Vehicle Laws -- Equipment of Vehicles
Subtitle 6 - Noise Abatement Program
Section 22-601 - Motor Vehicle Operation -- Establishment of Sound Level Limits
Section 22-602 - Motor Vehicle Operation -- Operation Not to Exceed Maximum Limits
Section 22-603 - Motor Vehicle Operation -- Regulations for Administration and Enforcement
Section 22-604 - Motor Vehicle Operation -- Exemption of Emergency Vehicles
Section 22-605 - New Motor Vehicles -- Establishment of Sound Level Limits
Section 22-606 - New Motor Vehicles -- Vehicles Not to Exceed Maximum Limits
Section 22-607 - New Motor Vehicles -- Regulations for Administration and Enforcement
Section 22-608 - New Motor Vehicles -- Certificate of Compliance
Section 22-609 - Modification of Exhaust System
Section 22-610 - Sale of Mufflers and Other Abatement Devices
Section 22-611 - Operation of a Commercial Motor Vehicle Equipped With Engine Brakes