This page contains the following solutions.
Use GoJo, Fast Orange, or similar products which are hand cleaners used to dissolve oils or grease. Moisten BOTH sides of the fabric to loosen, dissolve and disperse stain. Work both sides of fabric simultaneously and gently let the product break up the stain.
Use machine or any white oil to remove tar or black oil from clothing. Just lay it out flat, soak in oil and gently scrape the tar.
