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A shortage of guar, a legume used in food and drink such as ice cream and chocolate milk, could...

Nov. 25, 2011 7:50 AM ETBy: Yigal Grayeff, SA News Editor8 Comments
A shortage of guar, a legume used in food and drink such as ice cream and chocolate milk, could put the brakes on the boom in drilling for shale gas. Guar is a crucial ingredient in the fracking process, sending global demand and prices for the bean-like vegetable soaring.

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