Biodiesel is made entirely from renewable resources such as soybeans, sunflowers, rapeseed and palm oil as well as waste vegetable oil. The animal fat and vegetable oil undergo a particular procedure termed as transesterification.
Used vegetable oils along with sewage are all being used to produce biodiesel these days. The equipment required for the entire process is simple and can be accessed at any local store or even from your garage. This fuel is made out of vegetable oil and costs considerably lesser than the conventional fuel.
In the process they discovered that just about any kind of vegetable or animal oil that we use to cook with today can be processed into biodiesel fuel. Because of this property it is easy to make biodiesel at home. Also consider what you need the biodiesel for because this would help you decide where to buy it.
Biofuel can be mixed with diesel for those who are reluctant to put their faith in the alternative. Most people who refine this alternative fuel are more then willing to share their knowledge because that's the best way to advertise its benefits.