You can’t scrub oil and grease stains away. The trick is to draw them up out of the concrete with trisodium phosphate (or a TSP substitute), water and an absorbent material. Patience is the key.

Cleaning up oil stains in your driveway can be a tough job, especially if the stain has had time to sit and settle into the concrete. Some online sources claim that Coca-Cola is capable of ...