Absorb fresh oil with cat litter, baking soda, sawdust, or cornstarch
Let the absorbent sit for several hours or overnight
Sweep up the absorbent and dispose of it properly
Apply a degreaser, dish soap, or concrete cleaner to the stain
Scrub the area with a stiff-bristle brush
Rinse with hot water
Repeat the cleaning process if the stain remains
Use a paste of baking soda and water for stubborn spots
Apply a poultice made from baking soda and acetone for deep stains
Pressure wash the concrete if needed
Use a commercial oil stain remover for old or heavy stains
Seal the concrete after cleaning to help prevent future stains