The shift towards sustainable materials has catalyzed significant innovation in the field of composite materials, particularly those integrating renewable biomass fibers. Among these, cellulose stands out as a highly promising biopolymer. Derived from plant fibers, cellulose boasts several properties that make it an excellent candidate for reinforcing materials. Its biodegradability and renewability align with the growing environmental consciousness, while its nanoscale manufacturability opens up diverse applications in various industries. The summary of the presentation includes several case studies on vegetable oil