Can biofuel from chicken fat create an energy to replace diesel?

Biodiesel is defined as an alternative fuel used to supplement or replace fossil diesel fuel.  One of the major disadvantages of biodiesel fuel is the questionable economical viability of the production process due to the high cost of the raw material to be converted.

In a recent study published in the journal Energy and Fuels, biodiesel was produced from poultry fat, and evaluated for quality and consistency. 

Environmental scientists found they were able to convert chicken fat into biodiesel with reliable, mostly consistent results. There were small variations in the properties of the fuel, which the scientists noted could be due to the quality of the chicken fat material they used for their testing.

The study of poultry fat as a fuel is not new. In 2007, Tyson - a large producer of animal fat leftover from chicken, cattle, and hogs - predicted cars would someday run on chicken fat.

Animal fat has a few advantages over other biofuel sources such as soy bean oil and cotton seed oil mainly because it already exists as a resource with no additional production steps neccessary.  When it can be converted into fuel with a reliable consistency, it will be the perfect biodiesel fuel because no additional resources are needed to create it.

This concept is called "using your resources" - a talent most of us lack when it comes to energy and power.

Hmmm...does this mean that vegetarians would become less "green" since they are not contributing to the biodiesel chicken fat supply?