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If you believe the enthusiasts, industrial hemp could be the comeback story of our time — one worth tens of billions of dollars, maybe more, if only given a chance. Potential mainstream uses abound for the plant, a primary cash crop as clothing, oil and rope from the time of Pennsylvania’s founding in 1681 to the mid-19th century but a casualty of the indiscriminate war on the cannabis plant. Just a sampling of the new uses: Beauty products. Car parts. Building materials and housing insulation. Energy storage devices for electronics. Lehigh University wants to be at forefront of hemp, pot’s strait-laced sibling

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