Theresa Fire Units were dispatched to a vehicle fire on Interstate 81, northbound, (milemarker 172) early Wednesday evening, upon arrival of fire units the fire had been extinguished with a fire extinguisher. Crews took care of a few "hot spots" and checked heat temperatures with the thermal imaging camera to ensure fire was out. The truck was hauled away by a local tow company and Theresa Fire units were clear of the scene by 6 pm.