A step-by-step explanation of how the folks at Tristate Biodiesel take used cooking oil from around NYC and transform it into biodiesel heating oil that heats New Yorkers’ homes
Lance Hall shows us how to make biodiesel (he uses it for his car and tractor) from vegetable oil. Lance recommends biodiesel.org for more info on biodiesel.
Lance covers making biodiesel manually and making it with a reactor. He has quite the set up.
This is a dangerous process, in which he uses methanol (“wood alcohol” -a poison that can be absorbed through your skin) and potassium hydroxide (an extremely caustic chemical). It seemed to me that Lance probably should have been wearing longer, thicker gloves and protective eyewear, but…
The Real Know How 