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Gasoline from water, CO2 and sunlight.

A research team from ETH Zurich, PSI, and Caltech demonstrates the stable, efficient and rapid generation of solar fuels. They apply a thermochemical cycle based on ceria redox reactions to thermochemically split water and CO2 using a novel solar cavity-receiver reactor under concentrated solar radiation. Their remarkable findings are reported in the latest issue of Science.


Schematic of the solar reactor configuration for the 2-step solar-driven thermochemical production of fuels. It consists of a cavity-receiver containing a porous monolithic ceria cylinder. Concentrated solar radiation enters through a windowed aperture and impinges on the ceria inner walls. Reacting gases flow radially across the porous ceria, while product gases exit the cavity through an axial outlet port. Red arrow indicates ceria reduction (oxygen evolution); blue arrow indicates oxidation (fuel production). Credit: Schema: A. Steinfeld / ETH Zurich
-- Tom
 

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I don't understand any of it, but you sure find fascinating technology! .
 
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