OK, we write about some pretty darn cool technologies and green ideas 'round these parts, but this story takes the cake for wish-we-had-it-today processes. Get this: the idea is to, in the end, be able to snatch carbon dioxide out of the air and make liquid fuel out of it. The process takes the CO2 and then:
chemically "reenergize" carbon dioxide into carbon monoxide using concentrated solar power. The carbon monoxide could then be used to make hydrogen or serve as a building block to synthesize a liquid combustible fuel, such as methanol or even gasoline, diesel and jet fuel.

Basically, clean the air and make a usable fuel out of the nastiness you remove (plus water). How cool is that? The problem is that it will take quite a while before this is possible. A team at Sandia National Laboratories has a prototype device (called a Counter Rotating Ring Receiver Reactor Recuperator, or CR5) in the works, but a researcher quoted in the REA article says it's " probably a good 15 to 20 years away from being on the market." Well, at least we have one more thing to hope wait for.

[Source: Renewable Energy Access]

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