For any new folks at The Pie, here's a collection of all my biodiesel-related posts thus far:

Going Biodiesel: First biodiesel post with pictures of my first test batch and the initial stages of building my processor and wash tank.
You Don't Have to Be Pretty to Save the World: Singing the merits of our first diesel car, an '84 Toyota Corolla (of which there are about 10 left in California).
Two Down, None to Go: My wife Poppy's diesel car, an '82 Peugeot 505.
Le Peugeot: More on the cars and our first biodiesel disaster.
Why Wash, and Why Wash Gently: Biodiesel wash tests with photos.
And... Done!: Photos and descriptions of the finished Higher Pie Biodiesel Reactor.
My "Blogging 'Round the Clock" Guest-Post: A post I wrote for Sustainablog's birthday celebration looking at the pros and cons of biodiesel.
I Am the Man: Making my first batch.
Looking at Costs, Last Minute Changes, and, Oh Yes, I'm Still the Man: More on the first batch with photos as well as wash tank modifications and determining just how much money we'll save making our own fuel.
On a Roll: Washing the first batch.
Using the First Batch! - Finally using biodiesel
Fun with Gas Station Signs and Photoshop - No, I'm not trying to rub it in.
Biodiesel: One Year Later - Patting ourselves on the back.
Dry Tank - Our newest and wonderfulest toy.
Trans Fat: We're All Gonna Die - On the dangers of partially hydrogenated oils (for biodiesel and otherwise).

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