Whats more efficient making your own biodiesel (ie:extreme biodiesel) or converting to a grease car?

I watched a video on making your own biofuel and I’ve seen video’s in the past about turning your car into a dual fuel car that runs off of diesel and then can be switch to run off of vegetable oil while running. Which is the better route to go?

Biofuel Oasis: How We Started Our Own Biodiesel Station – Jennifer Radtke – CBC 2011

BioFuel Oasis: How We Started Our Own Biodiesel Filling Station presented by Jennifer Radtke of BioFuel Oasis Cooperative at the 2011 Collective Biodiesel Conference in Duncan, BC, Canada Jennifers Website: www.biofueloasis.com 2011 Collective Biofuels Conference Site www.collectivebiofuels.org Collective Biodiesel Conference Website www.collectivebiodiesel.org

What is the difference between diesel, biodiesel, biofuel and ethanol?

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