To start getting oil up out of your concrete with cat litter simply pour some of it over the stain and work it into the area by stepping on it or mashing it down another way.
Clean oil stain on concrete driveway.
In the bucket mix the detergent with the hot water stirring to combine thoroughly.
If some oil still remains you can repeat the process as many times as needed.
Using a stiff bristled brush start scrubbing the area.
Leave the litter alone for at least an hour before sweeping or vacuuming it away.
Cleaning oil spots from gravel and crushed stone driveway box of baking soda 1 cup of fine grain kitty litter several drops of liquid soap 1 gallon warm water.