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Rocky Mountain Power said it has launched an "idle-free policy" to prohibit unnecessary idling by its drivers and reduce the emissions of its vehicle fleet.

"Idling is bad for the environment, bad for public health and bad for business because of its impact on fuel costs," Curt Mansfield, managing director of transmission and distribution support services, said in a statement announcing the new policy. "We're working to eliminate all idling of company vehicles with a few exceptions, such as when a bucket or other equipment needs to be lifted using power from the truck's motor."

The utility said it is installing GPS-tracking equipment in its service vehicles to monitor idling and driving habits in order to use less gasoline, ensure the most efficient driving routes and promote a healthier environment.