No, leaving your car running unattended is illegal in Washington D.C. under § 50-2201.07a of the D.C. Municipal Regulations, enforced by the Metropolitan Police Department (MPD). Violations carry fines up to $100, with exceptions for remote start systems under strict conditions. The District’s 2026 climate action plan further penalizes idling to reduce emissions, tightening enforcement via ANCs and automated license plate readers.
Key Regulations for Leaving Your Car Running Unattended in Washington D.C.
- Unattended Vehicle Prohibition: D.C. Code § 40-701 prohibits leaving a vehicle running without a licensed operator present, with penalties escalating for repeat offenses. The MPD issues citations based on officer discretion or automated enforcement.
- Remote Start Limitations: Remote start systems are permitted only if the vehicle is locked, the engine is off upon exit, and the driver remains within 50 feet. The D.C. Department of Energy (DOE) mandates compliance with idling reduction goals under the Clean Energy DC Act.
- Idling Restrictions for Commercial Vehicles: Heavy-duty trucks and buses face stricter rules under DOE regulations, capping idling at 3 minutes (5 minutes for refrigerated units). Violations trigger fines up to $500, with enforcement coordinated through the DOE’s Idle Reduction Program.