Of those, 11 companies came back with details while the other nine either had no trans fats in their products or did not release details.

BBC: NEWS | Health | 'Hidden' fats removed from foods

"Trans fat is a no brainer: We've known about it for 30 years, " she says.

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Still, while favorite fair confections will no longer be fried in trans fat, deep-fried candy bars and their ilk will continue to be packed with belly-expanding calories.

NPR: State Fair Takes the (Bad) Fat Out of Funnel Cakes

No disruptions to oil shipments were reported to the Trans-Alaska Pipeline, which ends in Valdez.

WSJ: Fuel Arrives, but Alaska's Deep Freeze Endures

No doubt investors will carefully gauge consumer reaction to the switch to trans-fat free oil, particularly on the taste on its signature fries.

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The Food Standards Agency said it had no plans to take further action to persuade companies to reduce the use of trans fats.

BBC: NEWS | Health | Call to cut unhealthy fat in food