Attaf, B.2020-10-082020-10-082010-01-01Articale in Journal of fundamental and Applied Sciences Vol. 02 N. 011112-9867http://dspace.univ-eloued.dz/handle/123456789/7108Articale in Journal of fundamental and Applied Sciences Vol. 02 N. 01The technique used for manufacturing composite wind turbine blades and solar panels must be sure of environment-friendly. In order to achieve this objective, the closed mould manufacturing process that takes into account environment preservation and health protection besides assurance quality will be the subject of this article. The requirements of sustainable development and ecodesign are the objectives to be fulfilled with an acceptable degree of tolerance in relation to the new regulations and eco-standards.frcomposite materials; ecodesign; RTM process; permeability; sustainable development; renewable energy.Article