"Biopellet" as One of Future Promising Biomassbased Renewable Energy: a Review Yoyon Wahyono, Hadiyanto Hadiyanto, Wahyu Zuli Pratiwi and Inggar Dianratri E3S Web Conf., 317 (2021) 04029 Published online: 05 November 2021 DOI: 10.1051/e3sconf/202131704029