i'm now wondering how much of the fuel is from renewable sources. i forget what the label on the pump was. if there is little to no d2 blended then this will be my fuel of choice. i know that by law B20 was the maximum they could provide at a self service pump, anything above required signing waivers. but i'm wondering since this is supposedly identical in structure to petroleum maybe they can supply 100% biomass?

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1981 NA 300D 310k miles