US motorists could pay under $2 a gallon for first time since 2004 as crude falls 10% in past week

The price of oil is tumbling again, rattling an already-shaken oil industry and heralding lower prices for consumers.

The price of oil fell 10 percent last week, approaching its lowest price in six years. Many expect it to fall further in the coming weeks because supplies are rising and the summer driving season is still months away.