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LITTLE ROCK, Ark. (KTHV) - One of the challenges of the trucking business is finding enough truck drivers to meet demand, but companies have also had to deal with making sure its drivers are drug-free.

One Arkansas company-J.B. Hunt Transport Services-is leading the way with a testing method experts say is highly effective. They began fair follicle testing seven years ago, and since then, other firms have followed suit.

For more on hair follicle testing, watch the video attached to this story or visit the Arkansas Business website: http://on.kthv.com/14tg5yS

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