“…[8,9,11,21,27]. In HOMER, for determining COE of diesel and biodiesel, different chemical properties and prices are collected from previous experimental research studies from reports, technical data and research articles discussed on [8,11,12,18,20,21]. As chicken skin fat is a daily-basis waste in Bangladesh and free of cost to collect, biodiesel derived from chicken waste has been considered as nearly half of cost of diesel based on the current scenario of market price in Bangladesh [11,12].…”