Originally Posted by Skooter_Built
Neither system is cheap on startup, however i like wvo cause of its simplicity and lack of basic chemistry work and refinery equipment. Bio diesel will always require you to add methanol and lye for every batch you make, always in varied amounts due to the differences in the oils condition(the more the oil is used the more fats and other deposits get intermixed within the oil.
Except what happens when you decide to buy a VW TDi or another diesel p/u? Add WVO systems to those vehicles too? With biodiesel, you could fuel whatever vehicle you wanted and
use it for home/garage heating like someone else on this forum.