Company 5 and Paramedic 500 were dispatched on Rescue Local 0582 for an MVC involving two tractor trailers on Route 301 Northbound prior to Barclay Road. With Engine 52 being out of service, Engine 55 and Special Unit 59 responded on the run. Units arrived and found a rear end style collision involving two tractor trailers, with an active fuel leak. Paramedic 500 evaluated one patient who was taken to a local facility. The haz-mat unit from Kent Island was requested assist with mitigating the ruptured diesel fuel tanks. Our spill trailer was also utilized on scene. Units returned in about two hours.