I use Simple Green on most everything cleaning-stain wise. Then I use a pre-wash with a little liquid laundry detergent, and this works really well. My DH does a lot of yard work and gets lots of grass, dirt, grease; you name it. The pre-wash I am sold on; it loosens the stains and makes the clothes come out so much cleaner. It is a separate cycle on my machine; a Crosley; love it!! Mariah