How To Clean Old Oil Stains From Asphalt Driveway. Green degreasers can be used either at full strength (directly from the bottle) or diluted with water. For smaller stains, you can start by cleaning the affected area with baking soda and hot water.
Let the litter sit out overnight. This will keep the oil from drying and staining the asphalt. Several applications may be necessary to fully remove the oil stains from the asphalt.
Then, rinse the area with clean water.
Formulated to cut grease, dish soap is another effective solution for treating oil stains on a driveway. For smaller stains, you can start by cleaning the affected area with baking soda and hot water. Follow these diy tips from our experts to remove unwanted stains from your driveway or parking lot. Spread the paste over the affected area, be it a fresh spill or an old stain.