The Township Companies were sent to I81 NB near MM54 for a vehicle fire. Engine, Tanker, and Traffic 33 responded from Station. Crew arrived to find one pickup truck with fire in the engine and passenger compartment. This vehicle was being towed behind a camper. The camper was able to disconnect and move away from the fire. Crews placed one line into service. E31 assisted with fire attack. Units were on scene about 1 hour.