Free Manual On Home-brewing Biodiesel. |

Free Manual On Home-brewing Biodiesel.

With the price of diesel shooting up by the day this could be a good time to start looking at home-brewing biodiesel. This is a great way to save tons of money on fuel, but it requires a significant investment of your time. For some people it is worth the time to be able to save money and to run a fuel that is more environmentally friendly than regular diesel. Pretty much your only monetary costs will be for parts to make a processor (a lot of which you can find for free), methanol and lye. You’ll also need to make sure you can secure some sources of free waste vegetable oil from local restaurants around you. Without a source of waste oil you are pretty much out of luck.

Does home-brewing biodiesel sound like it is for you? How do you even get started? Well it’s your lucky day because Hans Huth, a Tucson home-brewer, has written a thorough 286 page manual available for free online for just such interests. He writes extensively on making your own biodiesel in Arizona with more information than you ever thought you needed. This book is aimed at making bio specifically in Arizona. The information, however, is relevant to any location, you can just skip the info regarding Arizona laws, etc. Hans starts this free manual by exploring the history of the diesel engine and basic information about what biodiesel is.

Something you’ll find missing from most biodiesel homebrewing manuals is legal considerations. Hans covers these in detail giving information about zoning laws, road taxes, firecodes, waste disposal, etc. He covers these very well and I’d recommend not skipping this if you are serious about brewing your own bio and want to be as legitimate as possible. There are particularly important issues surrounding waste disposal. While biodiesel itself is quite harmless you still need to find a responsible way to dispose of the glycerin and dirty waste water which may contain residual methanol.

From there he goes on to cover other considerations to keep in mind when switching to the use of biodiesel, such as its potential affects on your car. If you have an older diesel vehicle, say from the 80′s, you may run into problems with rubber tubing and seals being eaten away. This is largely irrelevant with newer diesels as the use of rubber was phased out in the early 90s or late 80s. Something to be aware of in newer diesels that have never run on biodiesel is that regular old diesel fuel leaves deposits in your fuel tank and lines that biodiesel will sweep out. Biodiesel has very good cleaning properties and will clean your lines thoroughly and possibly clog your fuel filter. After this initial cleaning of your fuel system you won’t have to worry about clogging up your filters anymore.

Hans also writes in-depth about building a biodiesel processor, collecting oil, filtering oil, and actually brewing the oil into biodiesel. He does this in a very practical and helpful way with pictures that illustrate the whole process. Overall this is the best manual I’ve seen for home-brewing biodiesel. I highly recommend this.

Head over to and download this book for free and start brewing! If you like it send Hans a donation, Good luck!

Not interested in homebrewing but want to run biodiesel? Check out our map showing where you can buy biodiesel in Arizona. [here]

40 Responses

  1. Monica Surfaro Spigelman Says:

    Hi, I see James on Twitter – I’m a Tucsonan (from NYC) also interested in sustainability here in the West. Anyway, I read an article in Seattle PI about potential for biofuel to divert food sources from the table to the fuel tank…article also mentioned question about how “green” biofuels really are. Thought of your site and wondered about your take on this, from Arizona perspective. The article:

  2. James Towner Says:

    Making biofuels from food crops is definitely a concern and a lot of people generally think it’s a bad idea. There’s quite a bit of debate about if the current food crisis is purely based on energy prices or if biofuels are also playing a role. I’d think they’d have to be because a lot of crop land has been changed from growing food to biofuel crops.
    This really isn’t a issue with home-brewing biodiesel though. Home-brewers make biofuel from Waste Vegetable Oil which is a waste product of the restaurant industry. This isn’t diverting anything from being used as food as it was already used to fry food. Making this into biofuel is a really good use of a waste product.

  3. Tracy Perkins Says:

    I really like the idea of home-brewing our own bio, especially with the obscene fuel prices right now and the unavailability of commercial waste veggie oil (WVO) biodiesel. This looks like a really handy resource, thanks!

  4. The crazy world of fuel prices | Says:

    [...] it is time to start home-brewing biodiesel like I suggested in a earlier article on this site, but be sure you have a secure source of free or cheap used oil. It seems that demand for this [...]

  5. adam donaldson Says:

    any attempt to bring up the free manual at results in a coca cola website?

  6. James Towner Says:

    ack! it looks like the biod101 site is gone. I’ll see if the manual is available somewhere else and fix the links.

  7. Hans Huth Says:

    Site is working again. Please hit refresh on your browser if you are still having problems. Thanks for your patience.

  8. adam donaldson Says:

    has anyone out there have a downloaded copy of the free biodiesel manual? I need some help. thanks

  9. Hans Huth Says:

    I notice the embedded link in the article does not work. Just go directly to .

  10. Dave Says:

    Hi You link to the web site to
    Free Manual On Home-brewing Biodiesel.
    is not working , Dave

  11. Dave Says:

    Sorry Got That Free Manual
    That watt I want all the info in one place ,Thank you guys , Dave

  12. Hans Huth Says:

    On April 2, 2013, I published the final version of the manual. It includes some minor updates and fixes on broken links. Enjoy, and thank you for helping protect our environment.

  13. Hans Huth Says:

    PS – The link in the original review is not working, but the URL is valid. You just need to point your browser to . Cheers

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