Federal & State Regulations | Idling - Hawaii | J. J. Keller® Compliance Network

Hawaii’s idling limits apply to all motor vehicles.

Exceptions: There are exceptions for:

Up to three minutes during the buildup of pressure at the startup and cooling down of the engine;
Adjustment or repair of the engine;
Operation of ready-mix trucks, cranes, hoists, and certain bulk carriers; and
Other auxiliary equipment built onto the vehicle or equipment that require power take-off from the engine.

['Vehicle Technology']

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