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Continue to ChatNew Oregon Startup Could Cut Wind Farm Concrete Use By 75% https://cleantechnica.com/2016/02/16/new-oregon-startup-cut-wind-farm-concrete-use-75/
New Oregon Startup Could Cut Wind Farm Concrete Use By 75% https://cleantechnica.com/2016/02/16/new-oregon-startup-cut-wind-farm-concrete-use-75/