Oil is generally not so cheap in countries that don't have their own oil production. Oil (like natural gas) is also a strategic risk. You can't change geology (

Oil is generally not so cheap in countries that don't have their own oil production. Oil (like natural gas) is also a strategic risk. You can't change geology (unless you invade a place with oil). Electricity on the other hand is something most countries can do something about, it can be self produced.