More steel is being used in the wind energy industry than in shipbuilding, according to some estimates. The 20% forecasted annual growth in wind will further increase steel consumption and drive its price up. One company suggests the industry might be better served using a sustainable raw material, wood. This alternative can do the same job as steel and possibly better. One wooden tower can reach hub heights up to 200m, says its design firm. The result: increased revenues from wind power.
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