Sustainability has become an increasingly important topic for the composites industry, with increasing demand, especially from OEMs, for sustainable business practices. Sustainability includes many areas of focus with one important area being the use of biomaterials. In this installment of CW Talks, we interview Dr Andy West, chief chemist with Sonichem, about the company's unique process for converting biomass into lignin, as well as other biomaterials of interest for composites manufacturing.