A comprehensive review on Washingtonia plant biomass fiber in insulating materials Hicham Elmoudnia, Paulina Faria, Rachid Jalal, Mohamed Waqif and Latifa Saâdi E3S Web Conf., 601 (2025) 00069 Published online: 16 January 2025 DOI: 10.1051/e3sconf/202560100069