Blot up the oil with paper towels, newsprint or old rags and dispose of it safely.
Spread a thick layer of kitty litter over the spill to fully absorb the oil.
Cover the area with a tarp or large garbage bags and let it sit overnight.
Sweep up and throw away the kitty litter.
Pour a liberal amount of a grease-cutting liquid dish soap over the spill.
Scrub the spill with a scrub brush until it reaches a soapy lather. Keep the mixture moist; if it dries out, add more soap and water and continue to scrub.
Spread more kitty litter over the area to absorb the dirty soap mixture. Remove the mixture with paper towels, newsprint or old rags.
Hose the area down with hot water.
Sprinkle powdered laundry detergent on the spill.
Pour enough water on the spill to make a thick paste. Scrub it vigorously.
Cover the area and let it sit for 24 hours.
Hose off the area with hot water.
Put on a pair of latex gloves.
Spray the area lightly with oven cleaner. Scrub the area with a brush, let it sit for 20 minutes and then scrub it again. Alternatively, mix kitty litter and acetone until they form a paste. Spread the mixture over the spill and let it sit overnight. Apply some water to the area the next day and scrub it thoroughly.
Scrub the area with hot, soapy water and then hose it off.