I remember JR said in the video that USSE's biofuel isn't ethanol or biodiesel but is a replacement for both. This company's fuel is biodiesel and I think would only run in a diesel engine. USSE's fuel runs in gasoline or diesel engines and the engines run cool. Also, I read in some other article that the freezing point of biodiesel is a concern in cold climates but as we saw USSE's blend doesn't freeze until below -90 degree F.