Atlantic Fire was dispatched this (Thursday) morning, to a report of a semi on fire at the westbound 57-mile marker (Olive Street) on-ramp. The rig was hauling peanut butter. The driver of the semi evacuated safely. Reports indicated the drive wheels near the fuel tank were on fire. The call came in just before 6:15-a.m. The fire was reported out at 6:41-a.m. Fire officials said a mechanical issue caused the tires to overheat. The trailer was separated from the tractor portion of the semi and the fire extinguished. No injuries were reported, and the cab of the tractor was undamaged.