Study on production of briquettes from two invasive forest weeds, i.e., Lantana camara and Prosopis juliflora was carried out. The experiments were out using a 70 mm industrial briquetting unit. optimum moisture content for found around 10–12%. biomass to have high density (1.1 g cm-3). In this study, fuel properties (proximate ultimate analysis), combustion characteristics ash elemental compos...