• empireOfLove2@lemmy.dbzer0.com
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    5 hours ago

    Not entirely; off road diesel is usually the exact same distillate as on road diesel but dyed for tax purposes. AKA the distributors quite literally pull the diesel from the exact same bulk tank but then dye it for delivery. Both onroad and offroad are a ultra low sulfur refined base oil with motor lubricity and cleaning additives. Actual heating oil is a similar distillate but without all the motor fuel additives and (i think) looser sulfur restrictions. It usually comes from a different supply chain than offroad diesel, except in more rural areas where it may be regular dyed diesel for supply chain reasons.