Wind turbines deliver environmentally friendly electricity. Yet the fiber-reinforced plastics often used in very large rotor blades are almost impossible to recycle. Not so with steel blades: since these are composed of steel, their recyclability exceeds 90 percent. Plus they cost significantly less than comparable plastic blades.
SOURCE: Wind Energy News — ScienceDaily – Read entire story here.
Wind turbines: Generating eco-friendly power with metal rotor blades
