Abstract Biodiesel represent one of substance of alternative of fuel substitution which can be innovated and friendly environmentally. This Biodiesel earn also made plainly  and  exploit the existing substance around. Price from raw material its maker also cheap enough. The example by using new vegetation oil and ex-vegetation oil. Process of with the process transesterifikasi, that is dissolve the oil by NaOH and methanol. Later then mingled and yield two coat after hushed 8 clock that is flake is biodiesel and substratum is gliserol. Examination conducted by experience is combustion by using tinder and with the iron rasher Keywords : biodiesel, oil
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