Here's a product that out performs Safety Kleen as well as Simple Green. It's water based and is a better solution to using solvents. It is much easier on the enviroment as well as the saftey of the operator.
This stuff works and lasts longer. Please check it out:
http://www.hurrisafe.com/automotived...washersol.html
I have been working with this product line since 1993 and it truly is amazing. This company manufactures products that work, are safe for the enviorment as well as the operator. They really do care.