If you are or have ever been interested in making your own biodiesel, you have probably noticed that the only simple instructions to be found deal with making a tiny, one liter batch using 2-liter drink bottles; hardly enough to be worth the bother, except as a means of getting your mind around exactly what it is you are trying to do. The rest of the readily available instructions are full of science, require a fully-equipped laboratory, and stress a need for perfection in measuring and testing.
Many people have been turned off entirely from the prospect of making their own fuel by the seeming requirement for a PhD and thousands of dollars’ worth of equipment and chemicals. Others wonder, if the simple method can make a liter of acceptable fuel, why can’t it make 5 gallons?
Read more: Biodiesel The Easy Way