Sweep or vacuum the concrete surface
Rinse the area with water
Apply a concrete-safe cleaner or degreaser
Scrub with a stiff-bristle brush
Let the cleaner sit briefly if needed
Rinse thoroughly with clean water
Repeat for stubborn stains
Use baking soda paste for light stains
Use dish soap and hot water for grease stains
Use vinegar or lemon juice for rust stains
Use hydrogen peroxide for organic stains
Use a pressure washer if appropriate
Use a poultice for deep oil stains
Apply a commercial stain remover for tough stains
Seal the concrete after cleaning if desired