In a couple of hours you could produce a new 100 litre batch of high quality Biodiesel
bollix!!
In a couple of hours you could make 100 litres of RAW bio that will fook any engine it gets near
Raw bio is usually full of soap and methanol.....i presume this guide tells you how to recover and reuse some of the methanol or does it just get released to atmosphere??
Fookin spammers!!