The mixture of used cooking oil with pertalite has not been widely used by people to fuel rose stoves. In general, kerosene is used as fuel for rose stoves, but kerosene is very expensive. This study aims to find alternative fuels to replace kerosene for rose stoves. To get the best performance of Mawar's stove, a variation of the ratio of used cooking oil-pertalite (9: 1 and 8: 2) mixture …