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For more information on Washington, D.C. idling laws, click here.
For more information on Maryland diesel facts, click here.
For more information about idling laws in other U.S. states, please visit atri-online.org.

* Private non-commercial passenger vehicles are exempted

Partners

• Metropolitan Washington Council of Governments (COG)
• District Department of Transportation (DDOT)
• District Department of the Environment (DDOE)
• Maryland Department of the Environment (MDE)
• Virginia Department of Environmental Quality (VDEQ)

Participating Bus & Truck Organizations

• American Bus Association
• United Motor Coach Association
• American Trucking Association
• Maryland Motor Truck Association
• National Association of Truckstop Operators
• National Private Truck Council
• Owner-Operator Independent Drivers Association
• Truckload Carriers Association
• Virginia Trucking Association

Supporters

• Cummins Power Systems, Inc./Glacier Bay, LLC
• Diesel Technology Forum

Contact Us

Questions? Email us at info@TurnYourEngineOff.org.