The energy of electron transport serves to move (translocate) protons to the outer mitochondrial compartment. How does this help the mitochondrion to produce energy?

I know very little about biochemistry, but these links may help you figure out what you need to know:

Proton pump - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Proton_pump)

Electron Transport Chain - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Electron_transport_chain)