You really don't want anything that will foam. While it is a good detergent, I would not use Dawn dishwashing detergent because of the potential for foam. I have always heard diswasher detergent, but Tide is a good grease cutter too and doesn't foam in the washer.
Neighbor who has had semi trucks for a generation or two told me Tide was the best thing to clean a fuel tank if you had to have one welded. The local welding shop will not touch one until there is absolutely no smell of fuel in it.
Thanks,
I may try the laundry detergent and see what happens.....it seems to get the grease out of my jeans.