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Maryland

State statutes

Failed in legislature HB 701 Clean Air Quiet Communities Act — died in committee

No statewide ban in force. Del. Linda Foley (D-Montgomery) has sponsored enabling bills across four sessions (HB 934 2022, HB 399 2023, HB 1240 2024, HB 701 "Clean Air Quiet Communities Act" 2025) — all died in committee. Reintroduced in 2026 and still pending. Regulation happens at the county / municipal level, anchored by Montgomery County's Bill 18-22 (countywide year-round use ban, full effective July 1, 2025) and Baltimore City's Bill 23-0367 (full year-round ban begins December 16, 2026).

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