Diesel 911 is a winter emergency product used to reliqefy gelled fuel and de-ice fozen fuel-filers. This Winter Rescue Formula restores the flow of fuel to the engine. Use this product if your vehicle will not start or loses power. Each 32 oz. container treats 100 gallons of diesel fuel and is packaged in cases of 12 containers. Diesel 911 should used in emergencies when diesel fuel is gelled and/or fuel lines are frozen.