Airlines Warned Not To Leave Passengers On Tarmac

Transportation Secretary Ray LaHood is putting the smackdown on airlines that keep passengers stranded on the tarmac for more than three hours.

LaHood's new rule limiting to three hours the amount of time airlines can keep passengers waiting in planes goes into effect on Thursday. After three hours, planes must return to a gate unless its unsafe to do so.

Here are the details on the new rule from the Olympian newspaper.