Permatex Fast Orange Grease X Mechanic’s Laundry Detergent is designed specifically for automotive technicians. It is specifically formulated to remove automotive grease, stains, oil, tar, automotive fluids, and odors from technicians’ work clothes. The detergent features a built-in pre-treater that can remove up to 99% of automotive stains and odors, according to the company. In addition, it keeps washing machines clear of residual grease, leaves a citrus aroma, and helps repel future stains.