skip navigation
New Hampshire Department of Environmental Services

Idle Reduction
Please Turn Engine Off

An engine that is burning fuel without performing work is idling. Sitting in traffic, picking up or dropping off passengers, warming up your car or engine are all examples of idling. Idling is inefficient because it burns fuel needlessly. In addition, idling puts wear and tear on an engine and contributes to air pollution-related health effects and climate change.

Idling is especially significant with diesel-powered trucks, buses and off-road equipment. That is because emission standards have lagged behind gasoline-powered vehicles and they tend to idle more due to the way they are used. School buses are a special concern because the emissions can be harmful to children whose respiratory systems are not fully developed. more…

green arrow Publications

green arrow Rules/Regulatory

green arrow Education/Outreach

green arrow Technical Assistance

green arrow Related Programs

green arrow Resources/Links (Complete List)

green arrow Contact Us



Adobe Acrobat Reader Symbol Adobe Acrobat Reader format. Download a free reader from Adobe.

NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

copyright 2016. State of New Hampshire