Here's a sure way to clean up your problem and at the same time cause your neighbors to wonder whether your playing with a full deck!

First, soak up all of the surface oil or grease with some good old-fashioned cat litter, sand or saw-dust -- grinding it in with the sole of your shoe. Sweep it up and then pour enough of a Cola beverage over the affected areas covering them completely. Let it soak for at least 20 minutes, but don't permit it to dry, then brush it out with a regular household broom or nylon brush. This will leave a gray stain that can be whitened by scrubbing the concrete with a solution of one cup laundry detergent and one cup chlorine bleach in one gallon of hot water. Make sure to flush the entire area with...