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Anybody can make biodiesel. It's easy, you can make it in your kitchen-- and it's BETTER than the petro-diesel fuel the huge oil companies sell you. Your diesel motor will run better and last longer on your home-made fuel, and it's much cleaner-- much better for the environment and much better for health.

If you make it from utilized cooking oil it's not only cheap but you'll be recycling a problematic waste item. Best of all is the GREAT feeling of freedom, self-reliance and empowerment it will provide you. Here's how to do it-- everything you need to understand.

Straight grease fuel (SVO) systems can be a tidy, reliable and affordable option. Unlike biodiesel, with SVO you need to modify the engine. The finest way is to fit an expert singletank SVO system with replacement injectors and glowplugs optimised for veg-oil, in addition to fuel heating.

With the German Elsbett single-tank SVO system for example you can utilize petro-diesel, biodiesel or SVO, in any combination. Just launch and go, stop and switch off, like any other vehicle. Journey to Forever's Toyota TownAce van utilizes an Elsbett single-tank system. More

There are also two-tank SVO systems which pre-heat the oil to make it thinner. You need to begin the engine on normal petroleum diesel or biodiesel in one tank and after that change to SVO in the other tank when the veg-oil is hot enough, and switch back to petro- or biodiesel before you stop the engine, or you'll coke up the injectors.

More details on straight veggie oil systems in my blog.

3. Biodiesel or SVO?

Biodiesel has some clear advantages over SVO: it operates in any diesel, with no conversion or adjustments to the engine or the fuel system-- simply put it in and go. It also has much better cold-weather residential or commercial properties than SVO (but not as great as petro-diesel-- see Using biodiesel in winter). Unlike SVO,

it's backed by lots of long-lasting tests in many countries, consisting of millions of miles on the roadway.

Biodiesel is a tidy, safe, ready-to-use, alternative fuel, whereas it's reasonable to state that many SVO systems are still and need more advancement.

On the other hand, biodiesel can be more costly, depending how much you make, what you make it from and whether you're comparing it with new oil or used oil (and depending on where you live). And unlike SVO, it has to be processed first.

But the big and quickly growing around the world band of homebrewers don't mind-- they make a supply weekly or once a month and quickly get used to it. Many have actually been doing it for several years.

Anyway you have to process SVO too, specifically WVO (waste grease, utilized, cooked), which lots of people with SVO systems use since it's cheap or totally free for the taking. With WVO food particles and impurities and water should be eliminated, and it probably ought to be deacidified too. Biodieselers say, "If I'm going to have to do all that I may too make biodiesel rather." But SVO types scoff at that-- it's much less processing than making biodiesel, they say. To each his own.