Deisel Fuel Stains

Had gas station owner ask me if I could remove bad deisel fuel stains around pump, he said he had a couple other people try to remove and they could not get the stains to come out, wondering what the other people tried? I would think HOT water and a good degreaser would work, maybee not? I have not tried to remove deisel stains before! any tips would be great!!! THANKS

Zep

Bio - Concrete Cleaner. Has natural enzymes that actualy eat petrolium based products. Obviously NOT to be used on asphault. Do not allow to dry.

Zep

Thanks for the reply, do you use this on your stains and how well does it work on old stains? thanks