Some common causes of vehicle fires are spilled fuel, improper fueling, under-inflated tires, and _________.

Truck fires can cause damage and injury. Learn the causes of fires and how to prevent them. Know what to do to extinguish fires. Following are some causes of vehicle fires:
- After accidents: Spilled fuel, improper use of flares.
- Tires: Underinflated tires and duals that touch.
- Electrical system: Short circuits due to damaged insulation, loose connections.
- Fuel: Driver smoking, improper fueling, loose fuel connections.
- Cargo: Flammable cargo, improperly sealed or loaded, poor ventilation.