Read MoreWood and glue is better for the environment than steel, says manufacturer, and could see taller turbines.Wood and glue is better for the environment than steel, says manufacturer, and could see taller turbines.

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Read MoreWood and glue is better for the environment than steel, says manufacturer, and could see taller turbines.Wood and glue is better for the environment than steel, says manufacturer, and could see taller turbines.