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In the frame of latest requirements to improve the renewable energy harvesting, the wind turbines get more and more used. Due to the propeller sizes, the blades- materials must comply with high resistance and weight requirements. As consequence, composite materials with dedicated structures are used. These materials are designed for long life and, as consequence, are potential pollution factors for the environment, after turbine working life is ended. Beside the methods to destroy the blades and give other use to ...

The main cause of air pollution from vehicles is related to the harmful emissions from engines, manly associated to the petrol industry and internal combustion engine manufacturers. As mention into the technical literature, the pollution emitted directly from engines is not the only cause of concern. Besides the liquids obtained from petrol (fuel and oils) and the ones used for air conditioning, the particles thrown off from brake pads is the third cause of air pollution from components of vehicles. It has been re...