Although pressure washing has it's place, we believe that pressure washing oil on concrete is  NOT the best solution for cleaning.
Here are the top four reasons why you should NOT pressure wash concrete: 
1. Pressure washing uses too much water.
2. Pressure washing damages concrete and over time the concrete will need to be replaced       and that is very expensive.
3. Water runoff from pressure washing is ILLEGAL unless it is recaptured.
4. Pressure washing opens concrete pours to immediate recontamination and staining,        which leads to having to pressure wash more often.
 
We recommend you clean your oil and grease stains on concrete with BIO-DRY  waterless concrete cleaner because Bio-Dry...
 
saves you money...
keeps you compliant...
improves your image!