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Lignocellulosic agricultural by-products can be utilized for an array of biocomposite material applications. Biocomposite properties can approach those of synthetic conventional composites. They are highly suitable for automotive applications, where the thrust is toward fuel economy, weight-reduction, and higher renewability. A common automotive polymer for biocomposite application is alloyed acrylonitrile butadiene styrene (ABS), whose extensive usage can be attributed to its exceptional balance of properties. However, the low sustainability of ABS in environmental degradation entails the addition of fillers. In this study, the UV blocking properties of lignin component of natural fibers will be analyzed for their use as additives in a natural ABS grade and will be compared to an ABS grade compounded with a traditional UV inhibitor.