ABSTRACT The purpose of this study was to obtain the best characteristics of charcoal briquettes made from rice straw and palm oil leaves with tapioca adhesive. The study used Completely Randomized Design with five treatments and three replications. The treatments were a ratio of straw rice charcoal and palm oil leaves charcoal 50:50, 40:60, 30:70, 20:80, 10:90. Data obtained were analyzed usi…