Causes of accidents
Accidents happen anywhere. Energy is everywhere. People sometimes cause energy, like as kinetic energy. Driving around the city, driving over state. Or potential energy, when the vehicle is in no motion and then goes into motion and hits an object.
Sum of the energies
Conservation of energy
Conservation of energy can possibly be what creates the work or keeps it going. It haves kinetic and potential energy that happens everyday. And have heat and light.