As cities go renewable, carbon fuels will stay cheap but will become less and less necessary. No need for wars in the Middle East.
That area is slowly running out of oil anyway. I think UAE is just about out. Saudi Arabia has gone through about 40% of their proven reserves. The US is currently imports most of its oil from Canada.
First Solar panels are even cheaper (but produce less power per square foot – less efficient because they are Evap Deposit design) They Kyocera panels are poly-crystalline which are more efficient at conversion. Mono-crystalline panels are used on satellites and the space station – and have the highest conversion efficiency- and highest per watt cost.
