Md. Code, Natural Resources § 5–711

Every engine or boiler, operated in, through, or near forest or brush which does not burn oil as fuel, shall be provided with any appliance approved by the Department to prevent escape of fire and sparks. Any person who violates this section is guilty of a misdemeanor and upon conviction in a court of competent jurisdiction is subject to a fine of at least $10 and not exceeding $100.