This is one of the more interesting things that came across my desk from the chemistry boys.

I have to say I really really like the idea and solves CO2 problems in the process

http://www.rsc.org/chemistryworld/2014/05/solar-jet-fuel-made-out-thin-air

I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.