I grew up on Tide products; it has always been a staple in my family. Today I put liquid Tide to the test by attempting to remove years of stubborn oil stains on my driveway. I have had a car with a major oil leak, left it parked on the driveway for a year before getting rid of it. It left behind an ugly oil slick on the driveway. I was able to remove the slick portion of the stain with commercial driveway cleaners, but it never got rid of the permanent black stain it left behind until I decided to pour some liquid Tide on it. I let it soak in for about 15 minutes, and then rinsed with a high power hose. It miraculously worked. Once the drive way was dry, I could begin to see the blackness disappear. I treated this stain twice this way with positive results. The third time, I used a scrub brush with the Tide to get the last of it clean and I have no black stains anymore. Makes me wish I took before and after pictures. Thank you Tide.