Might be interesting videos for you diesel folks.

Introduction To Biodiesel (06:20)
How Biodiesel Is Made - The Theory (08:02)
How Biodiesel Is Made - Dealing With Used Oils (05:24)
How Biodiesel Is Made - The Basic Recipe (07:52)
Making A Small Batch - Part 1 (06:28)
Making A Small Batch - Part 2 (07:47)
Titrating Oil - Building A Titration Kit (04:11)
Titrating Oil - The Chemistry Explained (05:04)
Titrating Oil - Preparing Titration Solution (04:31)
Titrating Oil - The Actual Titration (10:54)
Making A Large Batch - Shop Intro & Filtering Oil (08:20)
Making A Large Batch - Loading Oil, Catalyst, & Methanol (05:35)
Making A Large Batch - Starting The Batch (02:24)
Making A Large Batch - Transferring Finished Fuel (06:19)
Testing For Conversion (04:15)
Biodiesel Flamability (02:29)
Biodiesel Performance (08:51)