There should be no asphalt or tar in ULSD fuel, it should have been refined out of the crude during the distillation process. Where do people come up with stuff like this? Please provide some scientific proof/ tests that it is asphalt/ tar and not Algae, which is black. like asphalt/ tar.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked