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Tired of high fuel costs? Sickened by the damage transportation is doing to our environment? In theory biofuels — ethanol, biodiesel, etc. — might proide relief on both these fronts. But theory aside, is it really practical? For four years Blake O’Brien ran his 1985 diesel Mercedes Benz “beater” (his description) on WVO — Waste Vegetable Oil — he scavenged from a nearby Vietnamese eatery. In this telephone conversation O’Brien lays out the pros and cons of of pollution-free, cost-free motoring.

You can see the complete episode here: TGM #157: Breaking into the Tar Sands (October 2, 2009)