How do you get grease spots out....................?

Try Simple Green. It's a spray cleaner that's sold in automotive, hardware, grocery stores. Non-toxic and biodegradable. Won't bleach either.

Spray the spots thoroughly, let soak at least a couple hours, overnight is even better. Wash in warm water with your regular detergent.

Try using dish detergent diluted with water. Dish detergent is used to clean grease off of pots and pans, so it should work.