Hi Phil, Making biodiesel is a fair old job of bucket chemistry, you need a shed and some spare time.For full instructions click <a href="http://journeytoforever.org/biodiesel_aleksnew.html">here</a>
You can convert your car to run on straight vegetable oil also, or make biodiesel, making bio diesel is hard to describe in a couple of paragraphs...so take a look:Biodiesel from waste oilThis is more appealing than using new oil, but it's also more complicated.http://journeytoforever.org/biodiesel_make.html#biodwvo
I think you also need a car with diesel engine.
you're kidding right? I think you need to get a clue
yes, but the government doesn't want you to because they will lose money
yes u just need to make shure the oil is fittered really good and it will work in a diesle truck without any modiffications